diminished capacity defense (Illinois) · Go Syfert
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diminished capacity defense in Illinois

12 Illinois opinions name it 1 courts 1993–2024 4 in the last five years

The cases below were cited by Illinois 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 (11)

CaseFollowedCited
People v. Johnsongreen
illappct · 2018 · cited in 6 Illinois opinions naming this issue, 2019–2022
2 sentences

2022See id. at 641 ; see also Johnson, 2018 IL App (1st) 140725, ¶ 62 (holding that expert testimony that defendant was in a post-seizure state at the time of the offense was “properly excluded because it amounted to a diminished capacity defense”). ¶ 37 Because diminished capacity is not a recognized defense in Illinois, evidence of Roland’s mental health history is inadmissible to show he did not intend to kill Officer Rewers.

2022See People v. Frazier, 2019 IL App (1st) 172250, ¶ 36 (under Hulitt, “ ‘[a]n expert may not give an opinion supporting the doctrine of diminished mental capacity because *** that doctrine is not recognized in Illinois’ ” (quoting People v. Johnson, 2018 IL App (1st) 140725, ¶ 70 ); People v. Nepras, 2020 IL App (2d) 180081, ¶ 28 (under Hulitt, defense expert was properly barred from testifying that defendant could not form intent to commit theft, as such testimony was “effectively a diminished-capacity defense” that is “no longer available in Illinois” and, thus, “a defendant may not raise it

46
Metrish v. Lancastergreen
scotus · 2013 · cited in 4 Illinois opinions naming this issue, 2018–2020
2 sentences

2018Instead, she claimed to have been in a "postictal" state, during which she "wax[ed] and wane[d]" between volitional and "erratic" behavior, according to her proposed expert. ¶ 62 We ultimately agree with the State that the evidence was properly excluded because it amounted to a diminished capacity defense. ¶ 63 Diminished capacity is an affirmative defense that permits a "legally sane defendant to present evidence of mental illness to negate the specific intent required to commit a particular crime." Metrish v. Lancaster , 569 U.S. 351 , 133 S.Ct. 1781 , 185 L.Ed.2d 988 (2013) ; see also Black

2018Instead, she claimed to have been in a "postictal" state, during which she "wax[ed] and wane[d]" between volitional and "erratic" behavior, according to her proposed expert. ¶ 62 We ultimately agree with the State that the evidence was properly excluded because it amounted to a diminished capacity defense. ¶ 63 Diminished capacity is an affirmative defense that permits a "legally sane defendant to present evidence of mental illness to negate the specific intent required to commit a particular crime." Metrish v. Lancaster , 569 U.S. 351 , 133 S.Ct. 1781 , 185 L.Ed.2d 988 (2013) ; see also Black

24
Holmes v. South Carolinagreen
scotus · 2006 · cited in 2 Illinois opinions naming this issue, 2020–2020
2 sentences

2020People v. Johnson, 2018 IL App (1st) 140725, ¶ 58 (citing Holmes v. South Carolina, 547 U.S. 319, 331 (2006)).

2020People v. Johnson, 2018 IL App (1st) 140725, ¶ 58 (citing Holmes v. South Carolina, 547 U.S. 319, 331 (2006)).

22
People v. Hulittgreen
illappct · 2005 · cited in 6 Illinois opinions naming this issue, 2018–2022
2 sentences

2022As we discussed in Hulitt, “[t]he doctrine of diminished capacity, also known as the doctrine of diminished or partial responsibility, allows a defendant to offer evidence of her mental condition in relation to her capacity to form the mens rea or intent required for commission of the charged offense. [Citation.] Similar to the insanity defense in that it calls into question the mental abnormality of a defendant, it differs in that it may be raised by a defendant who is legally sane.” Id. at 640-41 . ¶ 35 This case is analogous to Hulitt, where we found that the defendant’s proposed mental hea

2022As we discussed in Hulitt, “[t]he doctrine of diminished capacity, also known as the doctrine of diminished or partial responsibility, allows a defendant to offer evidence of her mental condition in relation to her capacity to form the mens rea or intent required for commission of the charged offense. [Citation.] Similar to the insanity defense in that it calls into question the mental abnormality of a defendant, it differs in that it may be raised by a defendant who is legally sane.” Id. at 640-41 . ¶ 35 This case is analogous to Hulitt, where we found that the defendant’s proposed mental hea

16
People v. Neprasgreen
illappct · 2020 · cited in 2 Illinois opinions naming this issue, 2020–2022
2 sentences

2022See People v. Frazier, 2019 IL App (1st) 172250, ¶ 36 (under Hulitt, “ ‘[a]n expert may not give an opinion supporting the doctrine of diminished mental capacity because *** that doctrine is not recognized in Illinois’ ” (quoting People v. Johnson, 2018 IL App (1st) 140725, ¶ 70 ); People v. Nepras, 2020 IL App (2d) 180081, ¶ 28 (under Hulitt, defense expert was properly barred from testifying that defendant could not form intent to commit theft, as such testimony was “effectively a diminished-capacity defense” that is “no longer available in Illinois” and, thus, “a defendant may not raise it

2020The State responds that the evidence was properly excluded, because it essentially amounted to a diminished-capacity defense. -4- 2020 IL App (2d) 180081 ¶ 20 A criminal defendant has a right to a meaningful opportunity to present a complete defense.

12
State v. Mottgreen
ariz · 1997 · cited in 1 Illinois opinions naming this issue, 2022–2022
2 sentences

2022See State v. Mott, 187 Ariz. 536, 540 (1997) (“The Arizona legislature, however, declined to adopt the defense of diminished capacity when presented with the opportunity to do so.

2022State v. Wilcox, 70 Ohio St. 2d 182, 199 (1982) (“the partial defense of diminished capacity is not recognized in Ohio.”); Carpenter, 464 Mich. at 241 (rejecting the diminished capacity defense in Michigan); Mott, 187 Ariz. at 540 (noting that Arizona has “rejected the theory of diminished responsibility.”); Jackson v. State, 160 S.W.3d 568, 573 (Tex. Crim.

11
Jackson v. Stategreen
texcrimapp · 2005 · cited in 1 Illinois opinions naming this issue, 2022–2022
2 sentences

2022State v. Wilcox, 70 Ohio St. 2d 182, 199 (1982) (“the partial defense of diminished capacity is not recognized in Ohio.”); Carpenter, 464 Mich. at 241 (rejecting the diminished capacity defense in Michigan); Mott, 187 Ariz. at 540 (noting that Arizona has “rejected the theory of diminished responsibility.”); Jackson v. State, 160 S.W.3d 568, 573 (Tex. Crim.

2022State v. Wilcox, 70 Ohio St. 2d 182, 199 (1982) (“the partial defense of diminished capacity is not recognized in Ohio.”); Carpenter, 464 Mich. at 241 (rejecting the diminished capacity defense in Michigan); Mott, 187 Ariz. at 540 (noting that Arizona has “rejected the theory of diminished responsibility.”); Jackson v. State, 160 S.W.3d 568, 573 (Tex. Crim.

11
State v. Wilcoxgreen
ohio · 1982 · cited in 1 Illinois opinions naming this issue, 2022–2022
2 sentences

2022State v. Wilcox, 70 Ohio St. 2d 182, 199 (1982) (“the partial defense of diminished capacity is not recognized in Ohio.”); Carpenter, 464 Mich. at 241 (rejecting the diminished capacity defense in Michigan); Mott, 187 Ariz. at 540 (noting that Arizona has “rejected the theory of diminished responsibility.”); Jackson v. State, 160 S.W.3d 568, 573 (Tex. Crim.

2022Even California, which has been described as a “pioneer[ ] [of] the diminished capacity defense” (see Wilcox, 70 Ohio St. 2d at 187 ), abolished the diminished capacity defense by statute in 1982.

11
People v. Carpentergreen
mich · 2001 · cited in 1 Illinois opinions naming this issue, 2022–2022
2 sentences

2022At present, there is a wide divergence of views among the states concerning the admissibility of evidence of mental illness short of insanity.” People v. Carpenter, 627 N.W.2d 276, 282 (Mich. 2001). ¶ 126 Some states, by statute, prohibit evidence of a defendant’s mental defect to disprove mens rea.

2022State v. Wilcox, 70 Ohio St. 2d 182, 199 (1982) (“the partial defense of diminished capacity is not recognized in Ohio.”); Carpenter, 464 Mich. at 241 (rejecting the diminished capacity defense in Michigan); Mott, 187 Ariz. at 540 (noting that Arizona has “rejected the theory of diminished responsibility.”); Jackson v. State, 160 S.W.3d 568, 573 (Tex. Crim.

11
People v. Fraziergreen
illappct · 2019 · cited in 1 Illinois opinions naming this issue, 2022–2022
1 sentence

2022See People v. Frazier, 2019 IL App (1st) 172250, ¶ 36 (under Hulitt, “ ‘[a]n expert may not give an opinion supporting the doctrine of diminished mental capacity because *** that doctrine is not recognized in Illinois’ ” (quoting People v. Johnson, 2018 IL App (1st) 140725, ¶ 70 ); People v. Nepras, 2020 IL App (2d) 180081, ¶ 28 (under Hulitt, defense expert was properly barred from testifying that defendant could not form intent to commit theft, as such testimony was “effectively a diminished-capacity defense” that is “no longer available in Illinois” and, thus, “a defendant may not raise it

11
People v. Treadwaygreen
illappct · 1985 · cited in 1 Illinois opinions naming this issue, 2021–2021
1 sentence

2021App. 3d 597, 606-07 (1988) (the court noted that counsel’s failure to investigate a diminished-capacity defense would be more amenable to a post- conviction proceeding, where additional facts could be presented); see also People v. Treadway, 138 Ill.

11

Distinguished, questioned or overruled (0)

CaseNegativeCited
No negative-treatment citations attached to this issue in Illinois. Read the followed side critically anyway.

Also cited on this issue (2)

CaseCitedYears
People v. J.F. green
illappct · 2024
1 sentence

2024The defense represented that those persistent characteristics were ongoing issues that would have been present at the time of the incidents and - 21 - 2024 IL App (2d) 230259 were relevant to the “court in determining whether a crime was knowingly committed.” The trial court characterized its understanding that the defense was seeking the introduction and judicial notice of the evaluations and reports as supporting a guilty but mentally ill determination, which would not be an available result in a discharge hearing.

12024–2024
People v. Moore green
illappct · 1990
1 sentence

1993In People v. Moore (1990), 208 Ill.

11993–1993

Statutes the citing opinions construe

IL § 720 ILCS 5/9-1 (4)

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 178 (1967–2026) PA 141 (1979–2026) WA 114 (1981–2026) NJ 56 (1985–2026) MI 37 (1982–2026) WV 27 (1983–2024) OH 24 (1982–2023) RI 21 (1980–2016) TX 21 (2005–2026) MO 19 (1981–2025) IA 18 (1986–2020) NC 17 (1997–2025) TN 13 (1993–2024) AZ 12 (1995–2024) MS 12 (1984–2023) AL 12 (1986–2016) VT 12 (1989–2021) IL 12 (1993–2024) FL 11 (1989–2024) KS 10 (1984–2012) AK 10 (1977–2007) NM 8 (1996–2025) NV 7 (1996–2026) LA 6 (1987–2007) NY 6 (1982–2006) MA 5 (1990–2025) MD 5 (1982–2012) MN 5 (1988–2008) UT 5 (1982–2015) DC 5 (1976–2020) MT 4 (1978–1981) WY 3 (1983–2020) VA 3 (1992–2023) WI 3 (1985–2002) OR 3 (1978–2020) NE 2 (1995–2018) SC 2 (2006–2010)

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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