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Darryl Gumm v. Betty Mitchell
775 F.3d 345
6th Cir.
2014
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Background

  • Darryl Gumm, an individual later adjudged mentally retarded (IQ ~70), was convicted in Ohio of kidnapping, attempted rape, and the murder of a ten‑year‑old and sentenced to death; state courts later reduced sentence post‑Atkins to 30‑to‑life.
  • The prosecution’s case relied heavily on Gumm’s confession; there was no physical evidence directly linking him to the murder and police were unable to match his prints/shoes to the scene.
  • At trial the prosecutor elicited inflammatory testimony from two witnesses (Thacker and Baker) about sexual misconduct and bestiality and introduced a packet of psychiatric reports through Gumm’s expert; the prosecutor argued those statements as factual in closing.
  • Gumm filed state and federal post‑conviction petitions; after Atkins the state adjudicated Gumm mentally retarded and rejected his non‑Atkins claims; the federal district court granted a conditional writ on multiple claims, including Brady and prosecutorial misconduct.
  • The Sixth Circuit affirmed the district court’s grant of habeas relief on Brady and prosecutorial‑misconduct grounds (particularly the elicitation/use of Thacker and Baker testimony), applying de novo review to Brady and to the unexhausted Thacker/Baker misconduct claims and AEDPA deference to the state court’s ruling on the psychiatric‑report admission.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Brady violation for failure to disclose investigation files (other suspects, tips, leads) Gumm: State withheld >170 pages of investigative material (tips, confessions by other suspects, impeachment and timeline evidence) that was favorable and material and would have undermined confidence in the verdict State: Much of the material was rumor/hearsay/inadmissible and would not have produced admissible evidence or altered outcome Held: Brady violation; nondisclosed material (especially evidence implicating alternative suspects like Roger Cordray) was admissible or would lead to admissible evidence and, cumulatively, undermined confidence in verdict (de novo review applied)
Prosecutorial misconduct — use of psychiatric reports (admitted via defense expert) Gumm: Prosecutor argued hearsay in the reports as true and used it to establish bad‑act propensity, unfairly prejudicing jury State: Admission was proper under Ohio Evid. R. 703 and Ohio Supreme Court found no misconduct; AEDPA deference should apply Held: On AEDPA review, Ohio Supreme Court’s ruling that admission/use of the psychiatric packet did not violate due process was not overturned; relief was not granted on this ground alone
Prosecutorial misconduct — elicitation and argument of Thacker and Baker testimony (bestiality, sexual statements) Gumm: Prosecutor deliberately elicited inflammatory, unreliable prior‑acts testimony and then urged propensity in rebuttal closing—infecting trial with unfairness State: Trial objections were overruled; such evidence was background and not emphasized thereafter (and state waived some procedural defenses) Held: De novo review — prosecutor’s tactics were improper, flagrant, and cumulative given weak case against Gumm; this misconduct violated due process and supported habeas relief
Confrontation Clause / other fair‑trial claims (admission of psychiatric hearsay; other prior acts) Gumm: Admission of psychiatric hearsay violated Sixth Amendment confrontation rights and deprived him of fair trial State: Claims were rejected below; some issues were not reached because relief granted on other claims Held: Court did not reach these claims because affirmance rested on Brady and prosecutorial‑misconduct holdings

Key Cases Cited

  • Atkins v. Virginia, 536 U.S. 304 (2002) (execution of mentally retarded offenders violates Eighth Amendment)
  • Brady v. Maryland, 373 U.S. 83 (1963) (prosecutor must disclose favorable material evidence)
  • Kyles v. Whitley, 514 U.S. 419 (1995) (cumulative Brady materiality; consider undisclosed evidence collectively)
  • Strickler v. Greene, 527 U.S. 263 (1999) (Brady duty extends to evidence known to police)
  • Wood v. Bartholomew, 516 U.S. 1 (1995) (inadmissible evidence cannot, without clear link, be treated as Brady material)
  • Darden v. Wainwright, 477 U.S. 168 (1986) (due‑process standard for prosecutorial misconduct: trial so infected as to deny fair trial)
  • Donnelly v. DeChristoforo, 416 U.S. 637 (1974) (prosecutorial remarks require reversal only if they so infect trial as to deprive defendant of fair trial)
  • Berger v. United States, 295 U.S. 78 (1935) (prosecutor’s duty to seek justice, not merely conviction; persistent misconduct can warrant reversal)
Read the full case

Case Details

Case Name: Darryl Gumm v. Betty Mitchell
Court Name: Court of Appeals for the Sixth Circuit
Date Published: Dec 22, 2014
Citation: 775 F.3d 345
Docket Number: 11-3363
Court Abbreviation: 6th Cir.