Background
Marvin D. Clinton was indicted in December 2010 for aggravated murder, murder, tampering with evidence, and having a weapon while under disability in connection with a December 2010 shooting death. Following a May 2013 jury trial, Clinton was convicted of murder with a firearm specification and tampering with evidence. He was sentenced to 31 years to life as a repeat violent offender. Clinton’s direct appeal in 2014 was unsuccessful, as were subsequent post-conviction relief efforts.
More than twelve years after sentencing, on October 7, 2025, Clinton filed a motion for leave to file a delayed motion for a new trial under Ohio Criminal Rule 33. He sought to introduce a gunshot residue report prepared by a private investigator he hired in 2023, arguing this evidence contradicted the state’s gunshot residue expert testimony from his 2013 trial. Because Clinton’s motion exceeded the 120-day deadline for filing new trial motions, he was required to establish by clear and convincing evidence that he was “unavoidably prevented” from discovering the evidence within the prescribed period. The trial court denied the motion without a hearing.
The Court’s Holding
The Ohio Court of Appeals affirmed the trial court’s denial. Under Crim.R. 33(B), a defendant who files a new trial motion based on newly discovered evidence more than 120 days after verdict must prove by clear and convincing evidence that he was unavoidably prevented from discovering the evidence. The court held that Clinton failed to satisfy this standard and presented no prima facie evidence supporting his claim. A defendant is deemed “unavoidably prevented” only when he had no knowledge of the evidence’s existence and could not have discovered it through reasonable diligence within the 120-day period.
The court found that Clinton’s defense counsel was aware of and had actively contested the state’s gunshot residue evidence before trial, filing motions to compel additional testing in December 2011 and January 2012, and moving to suppress the evidence in March 2013. Counsel cross-examined the state’s expert at trial. Critically, the trial court had approved expenditure of state funds for a private investigator to assist trial counsel before trial—demonstrating that Clinton had access to resources to hire an independent expert had he exercised reasonable diligence. The court emphasized that a defendant cannot claim evidence was undiscoverable “simply because no one made efforts to obtain the evidence sooner.” Clinton offered no explanation for either the 12-year gap between conviction and the motion or why an independent gunshot residue expert could not have been obtained prior to trial or within 120 days of verdict.
Key Takeaways
- Defendants face strict enforcement of the 120-day deadline for filing new trial motions based on newly discovered evidence; courts need not hold hearings when a defendant fails to present prima facie evidence of unavoidable prevention.
- A defendant bears a duty of reasonable diligence in discovering and producing material evidence; mere failure to take earlier action does not establish that evidence was undiscoverable.
- Access to funds or resources to obtain expert evidence undermines claims that the evidence was unavoidably undiscoverable, particularly when the trial court previously approved such expenditures.
- Prior awareness of evidence and opportunity to obtain independent analysis through counsel’s pretrial efforts weigh against a finding that the defendant was unavoidably prevented from discovering contradictory evidence.
Why It Matters
This decision reinforces finality in criminal judgments by strictly construing Ohio’s new trial motion rules. It establishes that courts will not reopen cases based on evidence that could have been discovered or obtained through diligent effort before trial or within 120 days of verdict. The ruling prevents defendants from strategically delaying the discovery and presentation of evidence, waiting years to hire experts, and then claiming unavoidable prevention.
For criminal defendants and appellate practitioners, the decision underscores the critical importance of thorough pretrial investigation and the exercise of reasonable diligence. The court’s emphasis on a defendant’s duty to act within the prescribed timeframe—even without judicial order—means that failure to hire independent experts, investigators, or analysts during the trial phase or immediately thereafter will likely bar later new trial motions based on such evidence.