People v. King — Court upheld murder and firearm convictions against ineffective-assistance challenges

Case
People of the State of Michigan v. Deperryon Deanthonydesean King
Court
Michigan Court of Appeals
Judge
Mark T. Boonstra (Rick Snyder, 2012); Adrienne N. Young (Gretchen Whitmer, 2024); Daniel S. Korobkin (Gretchen Whitmer, 2025)
Date Decided
August 11, 2026
Docket No.
371096
Topics
Ineffective Assistance, Self-Defense, Expert Testimony, Criminal Appeals
Source
Read the full opinion

Background

Deperryon Deanthonydesean King was convicted by a jury of first-degree murder and several firearm offenses arising from the fatal shooting of Monte Wilson at a Father’s Day neighborhood block party. Witnesses described an argument involving an intoxicated Wilson, followed by multiple rounds of gunfire. Wilson was shot through the arm and into the chest and died from the injury. Investigators found photographs on King’s phone showing him at the party aiming a firearm, along with searches related to the shooting.

The defense presented no witnesses and argued that the prosecution’s proof was insufficient or, alternatively, that any shooting by King was justified as self-defense. The Court of Appeals remanded for an evidentiary hearing on whether counsel was ineffective for failing to investigate and call two witnesses, Deshawn Reed-Davenport and Emilio Zamora. After hearing their testimony, the trial court found them not credible and denied King’s motion for a new trial.

The Court’s Holding

The Court of Appeals affirmed. It held that King failed to establish prejudice from counsel’s failure to investigate or call Reed-Davenport and Zamora. Much of their proposed testimony—that Wilson was intoxicated, had threatened others, possessed a gun, and fired shots—was cumulative of evidence presented at trial. Their claim that Wilson fired first could have supported self-defense, but the trial court did not clearly err in finding them incredible given inconsistencies, their communications with King, evidence suggesting an agreement concerning testimony, Zamora’s personal interests, and photographic evidence contradicting Zamora’s claim that King was unarmed.

The court also rejected King’s claim that counsel conceded guilt during closing argument. Read in context, counsel pursued alternative theories of insufficient evidence and self-defense without admitting that King shot Wilson. Finally, counsel was not ineffective for failing to object when forensic pathologist Dr. David Moons characterized the manner of death as homicide. The term was used in its forensic sense—death caused by another person—and the testimony fell within Dr. Moons’s expertise, so an objection would have been futile.

Key Takeaways

  • Failure to call potentially favorable witnesses does not establish ineffective assistance without a reasonable probability that their testimony would have changed the verdict.
  • An appellate court may rely on a trial court’s credibility findings after an evidentiary hearing unless those findings are clearly erroneous.
  • Defense counsel may strategically present insufficient-evidence and self-defense theories in the alternative without conceding guilt.
  • A forensic pathologist may testify that a death was a “homicide” when using that word as a medical classification rather than as a legal conclusion about criminal responsibility.

Why It Matters

The decision illustrates the substantial prejudice showing required when an ineffective-assistance claim rests on uncalled witnesses, particularly where their accounts duplicate trial evidence or the trial court finds them unreliable. Even testimony that directly supports self-defense may not justify a new trial when credibility problems and contrary evidence make a different verdict unlikely.

The opinion also distinguishes a forensic classification of “homicide” from a legal determination of guilt and confirms that counsel is not deficient for declining to make an objection that lacks merit.

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