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78 F.4th 1109
9th Cir.
2023
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Background

  • Roger Wayne Parker was arrested for a murder after a 15‑hour interrogation; he is developmentally delayed and later said his confession was coerced or sarcastic.
  • Prosecutors early on doubted his guilt; one deputy DA sought dismissal after physical evidence review but supervisors kept the case open.
  • Over three years into Parker’s detention, prosecutors obtained recordings in which his roommate Willie Womack confessed to the murder; prosecutors did not disclose those recordings to Parker or his counsel and removed the deputy DA who found them from the case.
  • About six months after learning of Womack’s confession the DA’s office requested dismissal without notifying Parker; he had been detained almost four years and later was found factually innocent.
  • Parker sued under 42 U.S.C. § 1983 asserting a Brady violation for suppression of exculpatory evidence; the district court denied judgment on the pleadings and certified the issue for interlocutory appeal.
  • The Ninth Circuit reversed: because no judicial proceeding (trial, plea decision, or other adjudicative outcome) was affected by the nondisclosure, Parker failed to plead Brady prejudice; the court allowed leave to amend to bring a different due process claim (e.g., continued‑detention claim under Tatum/Lee/Baker theories).

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Whether suppression of Womack’s confession states a Brady claim (prejudice element) Parker: withholding was material and prolonged his pretrial detention—Brady applies because nondisclosure harmed him. County: Brady requires a showing that the suppressed evidence would have affected a judicial proceeding’s outcome; no such proceeding was affected here. Held: Brady prejudice requires a reasonable probability of altering the result of a judicial proceeding; Parker did not plead that, so Brady claim fails.
Whether Brady prejudice can be shown by impact on defense counsel’s strategy (e.g., prompting a preliminary hearing) Parker: nondisclosure likely affected counsel’s choices (would have demanded a preliminary hearing), so prejudice exists. County: Extending Brady to protect pretrial tactical choices is unsupported; Brady’s focus is on fairness of adjudicative outcomes. Held: Rejected—no court has adopted that rule; Brady should not be extended to hypothetical effects on defense strategy absent an affected proceeding.
Whether plaintiff may pursue other due process theories for prolonged detention Parker: seeks relief for continued detention after it was or should have been known he was entitled to release (invokes Tatum/Lee). County: Brady claim is the pleaded theory; other claims are distinct and were not pled. Held: Court did not decide merits but allowed Parker to seek leave to amend to assert a Tatum/Lee/Baker‑type continued‑detention due process claim on remand.

Key Cases Cited

  • Brady v. Maryland, 373 U.S. 83 (establishes prosecution’s duty to disclose exculpatory and impeachment evidence)
  • Strickler v. Greene, 527 U.S. 263 (materiality requires a reasonable probability the suppressed evidence would produce a different verdict)
  • Kyles v. Whitley, 514 U.S. 419 (favorable evidence could put the whole case in a different light undermining confidence in verdict)
  • Turner v. United States, 582 U.S. 313 (materiality = reasonable probability of a different result)
  • Sanchez v. United States, 50 F.3d 1448 (Brady claim in plea‑voluntariness context; prejudice measured by whether defendant would have refused plea)
  • Tatum v. Moody, 768 F.3d 806 (due process claim for continued detention after it should have been known the detainee was entitled to release)
  • United States v. Ruiz, 536 U.S. 622 (Supreme Court: no constitutional requirement to disclose impeachment evidence before plea bargaining)
  • Livers v. Schenck, 700 F.3d 340 (Eighth Circuit view that Brady prejudice generally requires a conviction or affected trial outcome)
  • Becker v. Kroll, 494 F.3d 904 (Tenth Circuit rejecting application of Brady where suppression did not affect trial outcome)
  • Flores v. Satz, 137 F.3d 1275 (Eleventh Circuit: Brady not implicated where plaintiff did not suffer the effects of an unfair trial)
  • Mooney v. Holohan, 294 U.S. 103 (pre‑Brady precedent condemning contrived convictions by state deception)
  • Pyle v. Kansas, 317 U.S. 213 (condemning use of perjured testimony and deliberate suppression of favorable evidence)
  • Napue v. Illinois, 360 U.S. 264 (state may not use false evidence to obtain tainted conviction)
  • Baker v. McCollan, 443 U.S. 137 (due process concern where detention continues despite protests of innocence and known facts supporting release)
Read the full case

Case Details

Case Name: Roger Parker v. County of Riverside
Court Name: Court of Appeals for the Ninth Circuit
Date Published: Aug 15, 2023
Citations: 78 F.4th 1109; 22-55614
Docket Number: 22-55614
Court Abbreviation: 9th Cir.
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