State high court overturns 25-year precedent, restoring 'diminished capacity' defense in landmark ruling in Ottawa case
The ruling stems from the prosecution of Cinecca Daquan Madison, who was 19 years old when he allegedly shot two acquaintances in a park in June 2022, resulting in the death of Antory Burrell and severe injuries to Demontae Knight.
LANSING — In a landmark 6-1 decision handed down Thursday, the Michigan Supreme Court overturned a quarter-century-old precedent, ruling that criminal defendants may present evidence of mental illness or intellectual disability to challenge whether they possessed the specific intent required for certain crimes.
The ruling in People v. Madison effectively scraps the court's 2001 decision in People v. Carpenter, which had barred "diminished capacity" defenses and established an "all-or-nothing" standard requiring defendants to prove total legal insanity to introduce mental-health evidence regarding their culpability.
Writing for the majority, Justice Richard H. Bernstein concluded that the Carpenter court had misread the state’s legal-insanity statute, MCL 768.21a, by expanding an affirmative defense statute into a broad ban on relevant evidence.
"There is no language in the statute directed at the concept of diminished capacity," Justice Bernstein wrote. "A diminished-capacity argument is distinct from the insanity defense. ... [It] challenges the prosecution’s case by questioning whether a defendant had the requisite mens rea at the time of the crime."
Chief Justice Megan K. Cavanagh and Justices Elizabeth M. Welch, Kyra H. Bolden, Kimberly A. Thomas, and Noah P. Hood joined the majority opinion.
The Ottawa County case
The ruling stems from the prosecution of Cinecca Daquan Madison, who was 19 years old when he allegedly shot two acquaintances in a park in June 2022, resulting in the death of 19-year-old Antory Burrell and severe injuries to 18-year-old Demontae Knight.
Burrell and Knight were attacked while riding bikes on 18th Street and College Avenue near Hope College in Holland. Knight told responders he played dead to avoid being shot again. According to police, all three men knew each other.
Read More: Suspect in fatal Holland shooting near Hope College pleads not guilty
Madison, now 21, was charged with open murder, assault with intent to commit murder, and two felony firearm charges.
Madison sought to introduce expert psychological testimony regarding his schizophreniform disorder — a precursor to schizophrenia — to argue he lacked the specific intent required for first-degree murder.
The trial court, citing Carpenter, blocked Madison from presenting the defense or requesting related jury instructions. The state Court of Appeals denied an interlocutory appeal, prompting Madison to take his case to the state Supreme Court, which stayed trial proceedings in 2024 to hear arguments.
With Thursday's ruling, the high court vacated the trial court's order and remanded the case for further proceedings consistent with the new opinion.
As of March, Madison had a status conference scheduled for Aug. 14 in Ottawa County's 20th Circuit Court, The Holland Sentinel reported. It is not yet clear if or how the Michigan Supreme Court's ruling will affect that schedule.
A divided bench, competing concerns
While the majority emphasized that rules of evidence and statutory text compel the return of diminished-capacity arguments, the decision triggered robust concurrence and dissent from the bench regarding the practical fallout for Michigan's legal and mental health systems.
In a concurring opinion, Justice Noah P. Hood supported the outcome as the correct interpretation of the law, but voiced "grave concerns" about the administrative burden the ruling will place on an already strained state judiciary and the Center for Forensic Psychiatry. Justice Hood warned of potential trial delays, speedy-trial implications, and a surge in post-conviction litigation.
Chief Justice Cavanagh concurred with the majority, but wrote separately to caution that the ruling is "not a free-for-all" and that all standard rules of evidence — including relevance and expert testimony standards under MRE 401, 403, and 702 — remain firmly in play. Simultaneously, the court adopted a new court rule, MCR 6.201(B), requiring defense disclosure of mental-health expert testimony to give prosecutors adequate time to prepare.
In a sharp dissenting opinion, Justice Brian K. Zahra argued that Carpenter was faithful to the Legislature’s comprehensive statutory scheme governing mentally ill offenders. Justice Zahra contended that the majority's revival of the defense allows defendants to bypass the mandatory psychiatric evaluation and treatment frameworks established under guilty-but-mentally-ill and not-guilty-by-reason-of-insanity statutes.
"The majority opinion departs from Carpenter's sound reasoning and substitutes its own results-driven interpretation of the statute," Justice Zahra wrote, adding that the ruling leaves a host of thorny questions unanswered regarding burdens of proof and notice requirements.
Despite the operational challenges acknowledged by the justices, the majority concluded that convenience and administrative ease cannot justify denying criminal defendants the right to contest an essential element of a charged crime.
— Sarah Leach is the executive editor of the Ottawa News Network. Contact her at sleach@ottawanewsnetwork.org. Follow her on Twitter @ONNLeach.
