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.
| Case | Followed | Cited |
|---|---|---|
People v. Christian S.green2 sentences2025(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 | 31 | 53 |
People v. Flannelred2 sentences2014(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 | 11 | 19 |
People v. Manriquezgreen2 sentences2026(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 .) | 9 | 30 |
People v. Simongreen2 sentences2025The 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 | 9 | 14 |
People v. Randlegreen2 sentences2021(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 | 7 | 10 |
People v. Bartongreen2 sentences2026(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 | 6 | 14 |
People v. Landrygreen2 sentences2023There 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 | 4 | 12 |
People v. Vasquezgreen2 sentences2024(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 | 4 | 8 |
People v. De Leongreen2 sentences2014“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 | 4 | 8 |
People v. SZADZIEWICZgreen2 sentences2025(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 | 4 | 7 |
People v. Trujequegreen2 sentences2024(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 | 4 | 6 |
People v. Elmoregreen2 sentences2026The 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. | 3 | 9 |
People v. Lam Thanh Nguyengreen2 sentences2025(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. | 3 | 7 |
People v. Conleygreen2 sentences2013(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 | 3 | 6 |
People v. McCoygreen2 sentences2024(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. | 3 | 5 |
| People v. Lewisgreen | 3 | 5 |
| People v. Avilagreen | 3 | 4 |
| People v. Hayesgreen | 3 | 4 |
| Strickland v. Washingtongreen | 3 | 3 |
| The People v. Vallejogreen | 3 | 3 |
People v. Rodriguezgreen2 sentences2025(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 | 2 | 7 |
People v. Riosgreen2 sentences2019Assuming 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 | 2 | 7 |
People v. Saillegreen2 sentences2024(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 | 2 | 6 |
People v. Seatongreen2 sentences2025(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. | 2 | 5 |
People v. Moyegreen2 sentences2023The 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. | 2 | 5 |
People v. Michaelsgreen2 sentences2020(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 | 2 | 5 |
People v. Wellsgreen2 sentences2014(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 | 2 | 5 |
People v. Bestgreen2 sentences2014(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 | 2 | 5 |
| People v. Brevermangreen | 2 | 4 |
| People v. Colegreen | 2 | 3 |
| People v. Andersongreen | 2 | 3 |
| People v. Wrightgreen | 2 | 3 |
| People v. Lewisgreen | 2 | 2 |
| People v. Clarkgreen | 2 | 2 |
| People v. Williamsgreen | 2 | 2 |
| People v. Najeragreen | 2 | 2 |
| People v. Falckgreen | 2 | 2 |
People v. Enracagreen2 sentences2021After 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 | 1 | 8 |
People v. Humphreygreen2 sentences2026(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 .) | 1 | 7 |
People v. Blakeleygreen2 sentences2018(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 | 1 | 7 |
| Case | Negative | Cited |
|---|---|---|
People v. SZADZIEWICZgreen2 sentences2025(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 | 2 | 7 |
People v. Rodriguezgreen2 sentences2025(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 | 2 | 7 |
People v. Valenzuelagreen2 sentences2015However, “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 | 2 | 5 |
| People v. Daltongreen | 2 | 3 |
People v. Christian S.green2 sentences2025(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 | 1 | 53 |
| Case | Cited | Years |
|---|---|---|
People v. Chun
red
2 sentences2021(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. | 5 | 2013–2023 |
| People v. Ocegueda green | 4 | 2021–2023 |
| Roads v. Superior Court green | 4 | 1994–2014 |
| People v. Uriarte green | 4 | 2002–2006 |
| State v. Ordway green | 4 | 2002–2006 |
| People v. Soto green | 3 | 2020–2025 |
| People v. Rangel green | 3 | 2021–2025 |
| People v. Lasko green | 3 | 2002–2024 |
| People v. Hardin green | 3 | 2020–2024 |
| People v. Sekona green | 3 | 2014–2024 |
| People v. Frandsen green | 3 | 2016–2020 |
| People v. Scott green | 3 | 2002–2006 |
| People v. Gonzales green | 2 | 2023–2024 |
| People v. Ramirez green | 2 | 2021–2024 |
| People v. Beck green | 2 | 2021–2023 |
| Chapman v. California red | 2 | 2021–2021 |
| Auto Equity Sales, Inc. v. Superior Court green | 2 | 2015–2021 |
| People v. Franco green | 2 | 2018–2018 |
| People v. TABIOS green | 2 | 2014–2017 |
| People v. Mendoza red | 2 | 2013–2016 |
| People v. Rogers green | 2 | 2015–2016 |
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.
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.