imperfect self-defense doctrine (California) · Go Syfert
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imperfect self-defense doctrine in California

162 California opinions name it 2 courts 1994–2026 65 in the last five years

The cases below were cited by California courts in a sentence that names this issue. Sides come from how each citing opinion treated the case (Syfertize flag on that citation), so a case can appear on both: that is where the law is contested. A red or yellow chip is the case's own overall treatment.

Followed or applied (58)

CaseFollowedCited
People v. Christian S.green
cal · 1994 · cited in 53 California opinions naming this issue, 1994–2025
2 sentences

2025(People v. Simon (2016) 1 Cal.5th 98, 132 [] [imperfect self-defense]; People v. Cole (2004) 33 Cal.4th 1158, 1215 [] [heat of passion].)” (People v. Chestra (2017) 9 Cal.App.5th 1116, 1121 .) “ ‘Heat of passion is one of the mental states that precludes the formation of malice and reduces an unlawful killing from murder to manslaughter.’ [Citations.]” (People v. Wang (2020) 46 Cal.App.5th 1055 , 1069.) “ ‘Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminen

2025The Trial Court Did Not Err by Failing to Instruct the Jury on Imperfect Self- Defense Voluntary Manslaughter A. Applicable Law and Standard of Review “Murder is the unlawful killing of a human being … with malice aforethought.” (§ 187, subd. (a).) “All murder that is perpetrated by … [a] willful, deliberate, and premeditated killing … is murder of the first degree.” (§ 189, subd. (a).) “Voluntary 3. ‘[m]anslaughter, a lesser included offense of murder, is an unlawful killing without malice .… Two factors may preclude the formation of malice and reduce murder to voluntary manslaughter: heat of

3153
People v. Flannelred
cal · 1979 · cited in 19 California opinions naming this issue, 1994–2014
2 sentences

2014(Id. at p. 450.) Primarily, Sekona found the concept of malice under section 7, subdivision 4 distinguishable from malice aforethought, concluding, “the concepts are distinct and no specific intent is required to commit mayhem, the necessary intent being inferable from the types of injuries resulting from intentional acts, defendant’s conduct in kicking [the victim] in the eye which resulted in an inability to see out of that eye was sufficient to constitute the crime of mayhem. [Citations.] Unlike the situation in [People v.] Flannel [(1979) 25 Cal.3d 668 [ 160 Cal.Rptr. 84 , 603 P.2d 1 ]] wh

2014(Id. at p. 450.) Primarily, Sekona found the concept of malice under section 7, subdivision 4 distinguishable from malice aforethought, concluding, “the concepts are distinct and no specific intent is required to commit mayhem, the necessary intent being inferable from the types of injuries resulting from intentional acts, defendant’s conduct in kicking [the victim] in the eye which resulted in an inability to see out of that eye was sufficient to constitute the crime of mayhem. [Citations.] Unlike the situation in [People v.] Flannel [(1979) 25 Cal.3d 668 [ 160 Cal.Rptr. 84 , 603 P.2d 1 ]] wh

1119
People v. Manriquezgreen
cal · 2005 · cited in 30 California opinions naming this issue, 2014–2026
2 sentences

2026(People v. Waidla (2000) 22 Cal.4th 690, 733 .) Imperfect self-defense is a description of one type of voluntary manslaughter. ( Barton, supra, 12 Cal.4th at pp. 200–201.) “‘“Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but 8 unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” [Citation.]’” (People v. Manriquez (2005) 37 Cal.4th 547, 581

2025(People v. Waidla (2000) 22 Cal.4th 690, 733 .) Imperfect self-defense is a description of one type of voluntary manslaughter. ( Barton, supra, 12 Cal.4th at pp. 200–201.) “‘“Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” [Citation.]’” (People v. Manriquez (2005) 37 Cal.4th 547, 581 .)

930
People v. Simongreen
cal · 2016 · cited in 14 California opinions naming this issue, 2021–2025
2 sentences

2025The Trial Court Did Not Err in Refusing to Give a Jury Instruction on Imperfect Self-defense Under the doctrine of imperfect self-defense, “ ‘[i]f a person kills . . . in the unreasonable but good faith belief in having to act in self-defense, the belief negates what would otherwise be malice, and that person is guilty of voluntary manslaughter . . . , not murder.’ ” (People v. Schuller (2023) 15 Cal.5th 237 , 243 (Schuller).) On appeal, “[w]e review de novo a trial court’s decision not to give an imperfect self-defense instruction.” (People v. Simon (2016) 1 Cal.5th 98, 133 .) “A defendant ch

2025(People v. Simon (2016) 1 Cal.5th 98, 132 [] [imperfect self-defense]; People v. Cole (2004) 33 Cal.4th 1158, 1215 [] [heat of passion].)” (People v. Chestra (2017) 9 Cal.App.5th 1116, 1121 .) “ ‘Heat of passion is one of the mental states that precludes the formation of malice and reduces an unlawful killing from murder to manslaughter.’ [Citations.]” (People v. Wang (2020) 46 Cal.App.5th 1055 , 1069.) “ ‘Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminen

914
People v. Randlegreen
cal · 2005 · cited in 10 California opinions naming this issue, 2005–2023
2 sentences

2021(CALCRIM No. 571; People v. Randle (2005) 35 Cal.4th 987 , 996–997, overruled on another ground in People v. Chun (2009) 45 Cal.4th 1172, 1201 .) Our Supreme Court has explained that the doctrine of imperfect self-defense “is a ‘ “narrow” ’ one and ‘will apply only when the defendant has an actual belief in the need for self-defense and only when the defendant fears immediate harm that “ ‘ “must be instantly dealt with.” ’ ” ’ ” (People v. Landry (2016) 2 Cal.5th 52 , 97–98.) 8 In his opening brief on appeal, defendant argues that the trial court erred by failing to instruct on imperfect self-

2018(Ibid.) "[A] defendant who, with the intent to kill or with conscious disregard for life, unlawfully kills in unreasonable self-defense is guilty of voluntary 33 manslaughter." (People v. Blakeley (2000) 23 Cal.4th 82, 91 .) "Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually but unreasonably believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter." (In re Christia

710
People v. Bartongreen
cal · 1995 · cited in 14 California opinions naming this issue, 2002–2026
2 sentences

2026(Barton, supra, 12 Cal.4th at p. 201 .) Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.

2026(People v. Waidla (2000) 22 Cal.4th 690, 733 .) Imperfect self-defense is a description of one type of voluntary manslaughter. ( Barton, supra, 12 Cal.4th at pp. 200–201.) “‘“Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but 8 unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” [Citation.]’” (People v. Manriquez (2005) 37 Cal.4th 547, 581

614
People v. Landrygreen
cal · 2016 · cited in 12 California opinions naming this issue, 2019–2025
2 sentences

2023There Was Substantial Evidence for the Jury to Conclude Holland Acted Without Malice Based on an Imperfect Defense of Others. “[U]nreasonable self-defense involves a misperception of objective circumstances.” (Elmore, supra, 59 Cal.4th at p. 134 .) It is based on a “mistake of fact.” (Id. at p. 136.) It requires “an honest but unreasonable belief in the necessity to defend against imminent peril to life or great bodily injury . . . . [I]t is most accurately characterized as an actual but unreasonable belief.” (Id. at p. 134.) This doctrine is narrow and applies only when the defendant has an a

2023Thus the trial court must instruct on this doctrine, whether or not instructions are requested by counsel, whenever there is evidence substantial enough to merit consideration by the jury that under this doctrine the defendant is guilty of voluntary manslaughter.” (People v. Manriquez (2005) 37 Cal.4th 547, 581 ; see Simon, supra, 1 Cal.5th at p. 132 [imperfect self- defense voluntary manslaughter is a lesser included offense of murder not an affirmative defense].) Even so, the imperfect self-defense doctrine “is a ‘ “narrow” ’ one and ‘will apply only when the defendant has an actual belief i

412
People v. Vasquezgreen
calctapp · 2006 · cited in 8 California opinions naming this issue, 2013–2025
2 sentences

2024(People v. Manriquez (2005) 37 Cal.4th 547, 581 ; In re Christian S. (1994) 7 Cal.4th 768, 773 ; People v. Vasquez (2006) 136 Cal.App.4th 1176, 1178 .) A defendant must have “an actual belief in the need for self-defense against an imminent danger to life or great bodily injury.” (People v. Manriquez, supra, 37 Cal.4th at p. 581 .) “Imperfect self-defense is the actual, but unreasonable, belief in the need to resort to self-defense to protect oneself from imminent peril.” (Vasquez, at p. 1178.) The instruction properly included the need “to defend oneself from imminent peril to life or great b

2015The trial court denied the defendant’s request for an imperfect self-defense instruction, finding as a factual matter the defendant could not have feared for his life since he had a firearm. ( Vasquez, supra, 136 Cal.App.4th at pp. 1179-1180.) Nothing in the record, however, “suggest[ed] appellant was pointing a gun, or that his gun was even visible, when Arechiga [(the victim)] lunged toward him.” (Vasquez, supra, 136 Cal.App.4th at p. 1178, fn. 1 .) As the reviewing court explained, “It was for the jury sitting as the trier of fact to decide whether appellant actually feared serious injury o

48
People v. De Leongreen
calctapp · 1992 · cited in 8 California opinions naming this issue, 1994–2021
2 sentences

2014“Even though aggravated mayhem requires proof of a specific intent to maim the victim, it still requires proof that the person who had such specific intent to inflict the maiming injury did so ‘maliciously, that is, with an unlawful intent to vex, annoy, or injure another person.’ ” Nonetheless, although the same malice element is required for mayhem and aggravated mayhem, it is “still different from the malice aforethought required for murder.” (Ibid.-, see People v. Szadziewicz (2008) 161 Cal.App.4th 823, 836 [ 74 Cal.Rptr.3d 416 ] [doctrine of imperfect self-defense does not apply to aggrav

2014“Even though aggravated mayhem requires proof of a specific intent to maim the victim, it still requires proof that the person who had such specific intent to inflict the maiming injury did so ‘maliciously, that is, with an unlawful intent to vex, annoy, or injure another person.’ ” Nonetheless, although the same malice element is required for mayhem and aggravated mayhem, it is “still different from the malice aforethought required for murder.” (Ibid.-, see People v. Szadziewicz (2008) 161 Cal.App.4th 823, 836 [ 74 Cal.Rptr.3d 416 ] [doctrine of imperfect self-defense does not apply to aggrav

48
People v. SZADZIEWICZgreen
calctapp · 2008 · cited in 7 California opinions naming this issue, 2014–2025
2 sentences

2025(People v. Szadziewicz (2008) 161 Cal.App.4th 823, 834 , disapproved of on another point by People v. Dalton (2019) 7 Cal.5th 166, 214 .) Moreover, “just because the court permit[s] instructions on perfect self-defense does not mean that substantial evidence support[s] the giving of an imperfect self-defense instruction.” (People v. Rodriguez (1997) 53 Cal.App.4th 1250, 1270 .) “We review de novo a trial court’s decision not to give an imperfect self- defense instruction.” (People v. Simon (2016) 1 Cal.5th 98, 133 (Simon).) 16 The jury was also instructed on first or second degree murder with

2015However, “just because a trial court instructs a jury on perfect self-defense, this does not necessarily mean it has a sua sponte duty to also instruct on imperfect self-defense.” (People v. Valenzuela (2011) 199 Cal.App.4th 1214, 1231 ; see also People v. Szadziewicz (2008) 161 Cal.App.4th 823, 834 [“an imperfect self-defense instruction is not required just because the court is instructing on 36 actual self-defense”].) Where, as here, there is no substantial evidence of an honest belief in the need to defend oneself or others from an imminent danger of death or great bodily injury, an instru

47
People v. Trujequegreen
cal · 2015 · cited in 6 California opinions naming this issue, 2018–2024
2 sentences

2024(Ibid.) “Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” (In re Christian S. (1994) 7 Cal.4th 768, 771 (Christian S.); accord, People v. McCoy (2001) 25 Cal.4th 1111, 1116 .) Imperfect self- defense requires the defendant’s fear to be of “‘imminent danger to life or great bodily injury.

2018(Ibid.) "[A] defendant who, with the intent to kill or with conscious disregard for life, unlawfully kills in unreasonable self-defense is guilty of voluntary 33 manslaughter." (People v. Blakeley (2000) 23 Cal.4th 82, 91 .) "Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually but unreasonably believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter." (In re Christia

46
People v. Elmoregreen
cal · 2014 · cited in 9 California opinions naming this issue, 2015–2026
2 sentences

2026The Elmore court continued to approve a prior holding which allowed an imperfect self-defense instruction where the defendant, due to “a state of tension” that left him “highly sensitive to external stimuli and abnormally fearful for his personal safety,” “reacted to apparent threats more violently and unpredictably than an average person would.” (Elmore, supra, 59 Cal.4th at p. 137 .) Thus, where a defendant holds a belief which, “ ‘although skewed by mental illness, was nevertheless factually based,’ ” he may still avail himself of imperfect self-defense.

2026One must bear in mind that, at its core, imperfect self-defense is a species of mistake of fact. ( Elmore, supra, 59 Cal.4th at pp. 136–137.) Thus, an unknown individual pointing a cell phone at a defendant might be sufficient in certain circumstances to lead to an imperfect self-defense instruction, even if a jury found it unreasonable under the circumstances to believe the cell phone was a weapon.

39
People v. Lam Thanh Nguyengreen
cal · 2015 · cited in 7 California opinions naming this issue, 2020–2025
2 sentences

2025(People v. Simon (2016) 1 Cal.5th 98, 132 [] [imperfect self-defense]; People v. Cole (2004) 33 Cal.4th 1158, 1215 [] [heat of passion].)” (People v. Chestra (2017) 9 Cal.App.5th 1116, 1121 .) “ ‘Heat of passion is one of the mental states that precludes the formation of malice and reduces an unlawful killing from murder to manslaughter.’ [Citations.]” (People v. Wang (2020) 46 Cal.App.5th 1055 , 1069.) “ ‘Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminen

2025Applicable Law and Standard of Review “ ‘Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.’ [Citation.] ‘[J]ust as with perfect self-defense or any defense, “[a] trial court need give a requested instruction concerning a defense only if there is substantial evidence to support the defense.

37
People v. Conleygreen
cal · 1966 · cited in 6 California opinions naming this issue, 1994–2013
2 sentences

2013(Conley, supra, 64 Cal.2d at p. 322; cf. § 188 [now providing that “[njeither an awareness of the obligation to act within the general body of laws regulating society nor acting despite such awareness is included within the definition of malice”].) We applied similar logic in Flannel to justify the doctrine of imperfect self-defense, reasoning in part that “an individual cannot genuinely perceive the need to repel imminent peril or bodily injury and simultaneously be aware that society expects conformity to a different standard.” (People v. Flannel (1979) 25 Cal.3d 668, 679 [ 160 Cal.Rptr. 84

2013(Conley, supra, 64 Cal.2d at p. 322 ; cf. § 188 [now providing that ―[n]either an awareness of the obligation to act within the general body of laws regulating society nor acting despite such awareness is included within the definition of malice‖].) We applied similar logic in Flannel to justify the doctrine of imperfect self-defense, reasoning in part that ―an individual cannot genuinely perceive the need to repel imminent peril or bodily injury and simultaneously be aware that society expects conformity to a different standard.‖ (People v. Flannel (1979) 25 Cal.3d 668, 679 (Flannel).) The th

36
People v. McCoygreen
cal · 2001 · cited in 5 California opinions naming this issue, 2012–2024
2 sentences

2024(Ibid.) “Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” (In re Christian S. (1994) 7 Cal.4th 768, 771 (Christian S.); accord, People v. McCoy (2001) 25 Cal.4th 1111, 1116 .) Imperfect self- defense requires the defendant’s fear to be of “‘imminent danger to life or great bodily injury.

2023Code, § 188.) Under the doctrine of imperfect self-defense, however, “[i]f a person kills . . . in the unreasonable but good faith belief in having to act in self-defense, the belief negates what would otherwise be malice, and that person is guilty of voluntary manslaughter . . . , not murder.” (People v. McCoy (2001) 25 Cal.4th 1111, 1116 .) A defendant charged with murder is entitled to an instruction on imperfect self-defense when there is substantial evidence to support the theory.

35
People v. Lewisgreen
calctapp · 1960 · cited in 5 California opinions naming this issue, 1994–2014
35
People v. Avilagreen
cal · 2009 · cited in 4 California opinions naming this issue, 2016–2024
34
People v. Hayesgreen
calctapp · 2004 · cited in 4 California opinions naming this issue, 2014–2024
34
Strickland v. Washingtongreen
scotus · 1984 · cited in 3 California opinions naming this issue, 2018–2024
33
The People v. Vallejogreen
calctapp · 2013 · cited in 3 California opinions naming this issue, 2014–2024
33
People v. Rodriguezgreen
calctapp · 1997 · cited in 7 California opinions naming this issue, 2014–2025
2 sentences

2025(People v. Szadziewicz (2008) 161 Cal.App.4th 823, 834 , disapproved of on another point by People v. Dalton (2019) 7 Cal.5th 166, 214 .) Moreover, “just because the court permit[s] instructions on perfect self-defense does not mean that substantial evidence support[s] the giving of an imperfect self-defense instruction.” (People v. Rodriguez (1997) 53 Cal.App.4th 1250, 1270 .) “We review de novo a trial court’s decision not to give an imperfect self- defense instruction.” (People v. Simon (2016) 1 Cal.5th 98, 133 (Simon).) 16 The jury was also instructed on first or second degree murder with

2023But “just because the court permitted instructions on perfect self-defense does not mean that substantial evidence supported the giving of an imperfect self-defense instruction.” (People v. Rodriguez (1997) 53 Cal.App.4th 1250, 1270 .) Given the evidence in this case, we conclude that “it would not have been error for the trial court to have denied perfect self-defense instructions with regard to [the victim] because no substantial evidence supported such a defense.” (Ibid.) Even assuming the trial court erred by not giving an imperfect self- defense instruction, the record does not show that

27
People v. Riosgreen
cal · 2000 · cited in 7 California opinions naming this issue, 2005–2025
2 sentences

2019Assuming this claim is preserved as to Beck, no substantial evidence supported such an instruction for either defendant. “ ‘ “Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” ’ ” (People v. Manriquez (2005) 37 Cal.4th 547, 581 .) Imperfect self-defense “obviates malice because that most

2006The distinguishing feature is that murder includes, but manslaughter lacks, the element of malice. [Citations.] [*[[] Malice exists, if at all, only when an unlawful homicide was committed with the ‘intention unlawfully to take away the life of a fellow creature’ [citation], or with awareness of the danger and a conscious disregard for life [citations].” (People v. Rios (2000) 23 Cal.4th 450, 460 [ 97 Cal.Rptr.2d 512 , 2 P.3d 1066 ], fn. omitted.) “Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, b

27
People v. Saillegreen
cal · 1991 · cited in 6 California opinions naming this issue, 1994–2024
2 sentences

2024(See People v. Saille, supra, 54 Cal.3d at p. 1119 .) Mercado urges us not to follow People v. Garvin, arguing that, without a reference to prior threats, the imperfect self-defense instruction affirmatively diverted jurors from considering those threats and misled the jury, particularly because the court did instruct the jury on prior threats in the perfect self-defense instruction.

2003(E.g., People v. Saille (1991) 54 Cal.3d 1103, 1115 , 2 Cal.Rptr.2d 364 , 820 P.2d 588 ; but see § 22, subdivision (b), as amended in 1995 [voluntary intoxication admissible "solely" to show whether defendant lacked specific intent or, in a murder case, whether defendant "premeditated, deliberated, or harbored express malice aforethought" (italics added)].) Language in In re Christian S. (1994) 7 Cal.4th 768, 779-780 , and footnote 4, 30 Cal.Rptr.2d 33 , 872 P.2d 574 , suggests that a defendant may rely on the doctrine of imperfect self-defense, or voluntary intoxication, or on similar mitigat

26
People v. Seatongreen
cal · 2001 · cited in 5 California opinions naming this issue, 2016–2025
2 sentences

2025(Id. at 181–182.) Our Supreme Court held that, “[a]s [the] defendant initiated the attack on [victim 1] …, and there was no evidence that [victim 2’s] and [victim 3’s] subsequent actions were not legally justified, he may not claim imperfect self-defense.” (Id. at p. 182.) As another example, in People v. Seaton (2001) 26 Cal.4th 598 , the defendant argued there was evidence to support an imperfect self-defense instruction, “point[ing] to his testimony that after he struck the victim with his fist, the victim wielded a hammer, which [the] defendant then wrested from the victim and used to atta

2017(People v. Seaton (2001) 26 Cal.4th 598, 665 ; People v. Tabios (1998) 67 Cal.App.4th 1, 8-9 , disapproved by People v. Chun, supra, 45 Cal.4th at p. 1199 .) Prior to People v. Chun, the People relied on a then-viable felony murder theory, based on section 246, to which the imperfect self-defense doctrine did not apply.

25
People v. Moyegreen
cal · 2009 · cited in 5 California opinions naming this issue, 2013–2025
2 sentences

2023The only difference between the two offenses is that in the case of attempted voluntary manslaughter, the perpetrator acts without malice, attempting to kill either “upon a sudden quarrel or heat of passion” (§ 192, 20 subd. (a)) or in “ ‘unreasonable self-defense’—the unreasonable but good faith belief in having to act in self-defense.” (People v. Moye (2009) 47 Cal.4th 537, 549 .) “ ‘ “ ‘Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminent danger of death

2013(See People v. Moye (2009) 47 Cal.4th 537, 541, 557 [by rejecting an imperfect self-defense claim, the jury also rejected the factual basis for a finding of provocation necessary to support heat of passion voluntary manslaughter].) Lewis fails to demonstrate reversible error.

25
People v. Michaelsgreen
cal · 2002 · cited in 5 California opinions naming this issue, 2004–2020
2 sentences

2020(People v. Michaels (2002) 28 Cal.4th 486, 529 .) “Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually but unreasonably believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” (In re Christian S. (1994) 7 Cal.4th 768, 771 .) ii.

2015“Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” (In re Christian S., supra, 7 Cal.4th at p. 771.) “ ‘[T]he trial court must instruct on this doctrine, whether or not instructions are requested by counsel, whenever there is evidence substantial enough to merit consideration by the jury

25
People v. Wellsgreen
cal · 1949 · cited in 5 California opinions naming this issue, 1994–2014
2 sentences

2014(People v. Wells (1949) 33 Cal.2d 330 [ 202 P.2d 53 ]; People v. Lewis (1960) 186 Cal.App.2d 585 [ 9 Cal.Rptr. 263 ]; Roads v. Superior Court (1969) 275 Cal.App.2d 593 [ 80 Cal.Rptr. 169 ]; People v. Sedeno (1974) 10 Cal.3d 703 [ 112 Cal.Rptr. 1 , 518 P.2d 913 ].) Indeed, 30 years before the diminished-capacity defense was allowed, a California court approved the imperfect self-defense doctrine: ‘ “[I]f the act is committed under the influence of an uncontrollable fear of death or great bodily harm, caused by the circumstances, but without the presence of all the ingredients necessary to excus

2014(People v. Wells (1949) 33 Cal.2d 330 [ 202 P.2d 53 ]; People v. Lewis (1960) 186 Cal.App.2d 585 [ 9 Cal.Rptr. 263 ]; Roads v. Superior Court (1969) 275 Cal.App.2d 593 [ 80 Cal.Rptr. 169 ]; People v. Sedeno (1974) 10 Cal.3d 703 [ 112 Cal.Rptr. 1 , 518 P.2d 913 ].) Indeed, 30 years before the diminished-capacity defense was allowed, a California court approved the imperfect self-defense doctrine: ‘ “[I]f the act is committed under the influence of an uncontrollable fear of death or great bodily harm, caused by the circumstances, but without the presence of all the ingredients necessary to excus

25
People v. Bestgreen
calctapp · 1936 · cited in 5 California opinions naming this issue, 1994–2014
2 sentences

2014(People v. Wells (1949) 33 Cal.2d 330 [ 202 P.2d 53 ]; People v. Lewis (1960) 186 Cal.App.2d 585 [ 9 Cal.Rptr. 263 ]; Roads v. Superior Court (1969) 275 Cal.App.2d 593 [ 80 Cal.Rptr. 169 ]; People v. Sedeno (1974) 10 Cal.3d 703 [ 112 Cal.Rptr. 1 , 518 P.2d 913 ].) Indeed, 30 years before the diminished-capacity defense was allowed, a California court approved the imperfect self-defense doctrine: ‘ “[I]f the act is committed under the influence of an uncontrollable fear of death or great bodily harm, caused by the circumstances, but without the presence of all the ingredients necessary to excus

2014(People v. Wells (1949) 33 Cal.2d 330 [ 202 P.2d 53 ]; People v. Lewis (1960) 186 Cal.App.2d 585 [ 9 Cal.Rptr. 263 ]; Roads v. Superior Court (1969) 275 Cal.App.2d 593 [ 80 Cal.Rptr. 169 ]; People v. Sedeno (1974) 10 Cal.3d 703 [ 112 Cal.Rptr. 1 , 518 P.2d 913 ].) Indeed, 30 years before the diminished-capacity defense was allowed, a California court approved the imperfect self-defense doctrine: ‘ “[I]f the act is committed under the influence of an uncontrollable fear of death or great bodily harm, caused by the circumstances, but without the presence of all the ingredients necessary to excus

25
People v. Brevermangreen
cal · 1998 · cited in 4 California opinions naming this issue, 2013–2023
24
People v. Colegreen
cal · 2004 · cited in 3 California opinions naming this issue, 2023–2025
23
People v. Andersongreen
cal · 2002 · cited in 3 California opinions naming this issue, 2002–2014
23
People v. Wrightgreen
cal · 2005 · cited in 3 California opinions naming this issue, 2005–2006
23
People v. Lewisgreen
cal · 2001 · cited in 2 California opinions naming this issue, 2021–2025
22
People v. Clarkgreen
calctapp · 1982 · cited in 2 California opinions naming this issue, 2020–2020
22
People v. Williamsgreen
cal · 2001 · cited in 2 California opinions naming this issue, 2013–2020
22
People v. Najeragreen
calctapp · 2006 · cited in 2 California opinions naming this issue, 2016–2019
22
People v. Falckgreen
calctapp · 1997 · cited in 2 California opinions naming this issue, 2016–2016
22
People v. Enracagreen
cal · 2012 · cited in 8 California opinions naming this issue, 2015–2025
2 sentences

2021After shooting Hernandez, the defendant shot Gobert because he believed Gobert was reaching for the same (nonexistent) gun as Hernandez. (53 Cal.4th at pp. 760, 762.) Under these 12 facts, the California Supreme Court upheld the giving of CALJIC No. 5.559 (which is substantially the same as CALCRIM No. 3472), reasoning that “ ‘ “the ordinary self-defense doctrine—applicable when a defendant reasonably believes that his safety is endangered—may not be invoked by a defendant who, through his own wrongful conduct (e.g., the initiation of a physical attack or the commission of a felony), has creat

2021Although the Attorney General correctly asserts that the doctrine of imperfect self-defense “ ‘may not be invoked by a defendant who, through his [or her] own wrongful conduct (e.g., the initiation of a physical assault or the commission of a felony), has created the circumstances under which his [or her] adversary’s attack or pursuit is legally justified” (People v. Enraca (2012) 53 Cal.4th 735, 761 ), there is no evidence that defendants had already initiated an assault or the commission of a felony when Mendoza allegedly reached for something causing Richard to think he was going for a weap

18
People v. Humphreygreen
cal · 1996 · cited in 7 California opinions naming this issue, 2015–2026
2 sentences

2026(People v. Waidla (2000) 22 Cal.4th 690, 733 .) Imperfect self-defense is a description of one type of voluntary manslaughter. ( Barton, supra, 12 Cal.4th at pp. 200–201.) “‘“Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but 8 unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” [Citation.]’” (People v. Manriquez (2005) 37 Cal.4th 547, 581

2025(People v. Waidla (2000) 22 Cal.4th 690, 733 .) Imperfect self-defense is a description of one type of voluntary manslaughter. ( Barton, supra, 12 Cal.4th at pp. 200–201.) “‘“Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” [Citation.]’” (People v. Manriquez (2005) 37 Cal.4th 547, 581 .)

17
People v. Blakeleygreen
cal · 2000 · cited in 7 California opinions naming this issue, 2002–2021
2 sentences

2018(Ibid.) "[A] defendant who, with the intent to kill or with conscious disregard for life, unlawfully kills in unreasonable self-defense is guilty of voluntary manslaughter." (People v. Blakeley (2000) 23 Cal.4th 82, 91 .) "Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually but unreasonably believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter." (In re Christian S

2018(Ibid.) "[A] defendant who, with the intent to kill or with conscious disregard for life, unlawfully kills in unreasonable self-defense is guilty of voluntary 33 manslaughter." (People v. Blakeley (2000) 23 Cal.4th 82, 91 .) "Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually but unreasonably believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter." (In re Christia

17

Distinguished, questioned or overruled (5)

CaseNegativeCited
People v. SZADZIEWICZgreen
calctapp · 2008 · cited in 7 California opinions naming this issue, 2014–2025
2 sentences

2025(People v. Szadziewicz (2008) 161 Cal.App.4th 823, 834 , disapproved of on another point by People v. Dalton (2019) 7 Cal.5th 166, 214 .) Moreover, “just because the court permit[s] instructions on perfect self-defense does not mean that substantial evidence support[s] the giving of an imperfect self-defense instruction.” (People v. Rodriguez (1997) 53 Cal.App.4th 1250, 1270 .) “We review de novo a trial court’s decision not to give an imperfect self- defense instruction.” (People v. Simon (2016) 1 Cal.5th 98, 133 (Simon).) 16 The jury was also instructed on first or second degree murder with

2015However, “just because a trial court instructs a jury on perfect self-defense, this does not necessarily mean it has a sua sponte duty to also instruct on imperfect self-defense.” (People v. Valenzuela (2011) 199 Cal.App.4th 1214, 1231 ; see also People v. Szadziewicz (2008) 161 Cal.App.4th 823, 834 [“an imperfect self-defense instruction is not required just because the court is instructing on 36 actual self-defense”].) Where, as here, there is no substantial evidence of an honest belief in the need to defend oneself or others from an imminent danger of death or great bodily injury, an instru

27
People v. Rodriguezgreen
calctapp · 1997 · cited in 7 California opinions naming this issue, 2014–2025
2 sentences

2025(People v. Szadziewicz (2008) 161 Cal.App.4th 823, 834 , disapproved of on another point by People v. Dalton (2019) 7 Cal.5th 166, 214 .) Moreover, “just because the court permit[s] instructions on perfect self-defense does not mean that substantial evidence support[s] the giving of an imperfect self-defense instruction.” (People v. Rodriguez (1997) 53 Cal.App.4th 1250, 1270 .) “We review de novo a trial court’s decision not to give an imperfect self- defense instruction.” (People v. Simon (2016) 1 Cal.5th 98, 133 (Simon).) 16 The jury was also instructed on first or second degree murder with

2023But “just because the court permitted instructions on perfect self-defense does not mean that substantial evidence supported the giving of an imperfect self-defense instruction.” (People v. Rodriguez (1997) 53 Cal.App.4th 1250, 1270 .) Given the evidence in this case, we conclude that “it would not have been error for the trial court to have denied perfect self-defense instructions with regard to [the victim] because no substantial evidence supported such a defense.” (Ibid.) Even assuming the trial court erred by not giving an imperfect self- defense instruction, the record does not show that

27
People v. Valenzuelagreen
calctapp · 2011 · cited in 5 California opinions naming this issue, 2014–2021
2 sentences

2015However, “just because a trial court instructs a jury on perfect self-defense, this does not necessarily mean it has a sua sponte duty to also instruct on imperfect self-defense.” (People v. Valenzuela (2011) 199 Cal.App.4th 1214, 1231 ; see also People v. Szadziewicz (2008) 161 Cal.App.4th 823, 834 [“an imperfect self-defense instruction is not required just because the court is instructing on 36 actual self-defense”].) Where, as here, there is no substantial evidence of an honest belief in the need to defend oneself or others from an imminent danger of death or great bodily injury, an instru

2015The trial court denied appellant’s request, stating that there was no evidence to support a jury instruction on self-defense or manslaughter. “‘“Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminent danger of death or great bodily injury, the defendant is deemed to have acted without malice and thus can be convicted of no crime greater than voluntary manslaughter.” [Citation.] . . . .’ [Citation.]” (People v. Manriquez (2005) 37 Cal.4th 547, 581 .) “The cour

25
People v. Daltongreen
cal · 2019 · cited in 3 California opinions naming this issue, 2021–2025
23
People v. Christian S.green
cal · 1994 · cited in 53 California opinions naming this issue, 1994–2025
2 sentences

2025(People v. Simon (2016) 1 Cal.5th 98, 132 [] [imperfect self-defense]; People v. Cole (2004) 33 Cal.4th 1158, 1215 [] [heat of passion].)” (People v. Chestra (2017) 9 Cal.App.5th 1116, 1121 .) “ ‘Heat of passion is one of the mental states that precludes the formation of malice and reduces an unlawful killing from murder to manslaughter.’ [Citations.]” (People v. Wang (2020) 46 Cal.App.5th 1055 , 1069.) “ ‘Under the doctrine of imperfect self-defense, when the trier of fact finds that a defendant killed another person because the defendant actually, but unreasonably, believed he was in imminen

2025The Trial Court Did Not Err by Failing to Instruct the Jury on Imperfect Self- Defense Voluntary Manslaughter A. Applicable Law and Standard of Review “Murder is the unlawful killing of a human being … with malice aforethought.” (§ 187, subd. (a).) “All murder that is perpetrated by … [a] willful, deliberate, and premeditated killing … is murder of the first degree.” (§ 189, subd. (a).) “Voluntary 3. ‘[m]anslaughter, a lesser included offense of murder, is an unlawful killing without malice .… Two factors may preclude the formation of malice and reduce murder to voluntary manslaughter: heat of

153

Also cited on this issue (21)

CaseCitedYears
People v. Chun red
cal · 2009
2 sentences

2021(CALCRIM No. 571; People v. Randle (2005) 35 Cal.4th 987 , 996–997, overruled on another ground in People v. Chun (2009) 45 Cal.4th 1172, 1201 .) Our Supreme Court has explained that the doctrine of imperfect self-defense “is a ‘ “narrow” ’ one and ‘will apply only when the defendant has an actual belief in the need for self-defense and only when the defendant fears immediate harm that “ ‘ “must be instantly dealt with.” ’ ” ’ ” (People v. Landry (2016) 2 Cal.5th 52 , 97–98.) 8 In his opening brief on appeal, defendant argues that the trial court erred by failing to instruct on imperfect self-

2017(People v. Seaton (2001) 26 Cal.4th 598, 665 ; People v. Tabios (1998) 67 Cal.App.4th 1, 8-9 , disapproved by People v. Chun, supra, 45 Cal.4th at p. 1199 .) Prior to People v. Chun, the People relied on a then-viable felony murder theory, based on section 246, to which the imperfect self-defense doctrine did not apply.

52013–2023
People v. Ocegueda green
calctapp · 2016
42021–2023
Roads v. Superior Court green
calctapp · 1969
41994–2014
People v. Uriarte green
calctapp · 1990
42002–2006
State v. Ordway green
kan · 1997
42002–2006
People v. Soto green
cal · 2018
32020–2025
People v. Rangel green
cal · 2016
32021–2025
People v. Lasko green
cal · 2000
32002–2024
People v. Hardin green
calctapp · 2000
32020–2024
People v. Sekona green
calctapp · 1994
32014–2024
People v. Frandsen green
calctapp · 2011
32016–2020
People v. Scott green
calctapp · 1983
32002–2006
People v. Gonzales green
calctapp · 1992
22023–2024
People v. Ramirez green
calctapp · 2015
22021–2024
People v. Beck green
cal · 2019
22021–2023
Chapman v. California red
scotus · 1967
22021–2021
Auto Equity Sales, Inc. v. Superior Court green
cal · 1962
22015–2021
People v. Franco green
calctapp · 2009
22018–2018
People v. TABIOS green
calctapp · 1998
22014–2017
People v. Mendoza red
cal · 2000
22013–2016
People v. Rogers green
cal · 2006
22015–2016

Statutes the citing opinions construe

CA § Cal. Penal Code § 187 (77) CA § Cal. Evidence Code § 352 (19) CA § Cal. Evidence Code § 210 (11) CA § Cal. Penal Code § 192 (10) CA § Cal. Evidence Code § 1101 (7) CA § Cal. Evidence Code § 1200 (7) CA § Cal. Penal Code § 188 (7) CA § Cal. Penal Code § 664 (7) CA § Cal. Evidence Code § 353 (6) CA § Cal. Evidence Code § 355 (6) CA § Cal. Evidence Code § 801 (6) CA § Cal. Government Code § 70373 (6)

Counted by distinct opinions that both name this issue and are annotated to the section; sections every opinion cites regardless of issue are not filtered here, so read the counts against the total above.

Where else courts name it

CA 162 (1994–2026) MD 21 (1987–2026) PA 15 (2003–2026) UT 12 (2001–2025) MS 10 (2008–2023) WI 8 (1977–2026) NC 6 (1979–2020) RI 5 (2000–2008) KS 5 (2010–2019) IL 4 (1983–2025) KY 3 (2013–2019) IA 3 (2015–2026) MI 3 (1990–2012) CT 3 (1997–2025) NM 3 (2010–2025) OH 2 (2013–2022) AR 2 (2010–2018) DC 2 (1994–2023) SC 2 (2014–2015) NJ 2 (1989–2006) VT 2 (1997–1998)

Opinions by the citing court's state. A doctrine retained in one state and abandoned in another shows up here as a year span that stalls.

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