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2025 NY Slip Op 51324(U)
Yonkers City Court
2025
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Background

  • Defendant Abdoul Diallo was initially charged by felony complaint with criminal mischief in the second degree; later, a superseding misdemeanor information (SMI) charged him with multiple misdemeanors.
  • The prosecution filed a Certificate of Compliance (COC) and declared trial readiness on April 26, 2024, later filing supplemental COCs with additional discovery.
  • Diallo moved to dismiss under CPL § 30.30, claiming the prosecution was not ready due to untimely disclosure of impeachment materials related to police witnesses.
  • The court addressed changes in New York criminal discovery law, emphasizing the requirement to disclose material relevant to the subject matter of the case.
  • The prosecution eventually turned over the withheld impeachment ("1K") materials after the defense's motion, arguing conflicting caselaw and lack of possession at the time of the earlier COC.
  • The court analyzed whether the delay invalidated the COC and whether the prosecution exceeded the 90-day speedy trial time.

Issues

Issue People’s Argument Diallo’s Argument Held
Whether COC was valid despite delayed discovery COC was valid; delay justified by conflicting law, records not previously in possession COC invalid; readiness was illusory due to incomplete, untimely discovery COC invalid; declaration of readiness illusory
Scope of impeachment material disclosure Only discipline related to the case/target witness must be disclosed; relied on some case law All impeaching disciplinary material for involved officers must be disclosed automatically Required disclosure of relevant impeachment material
Speedy trial time calculation under CPL § 30.30 Clock should stop with COC; defense’s untimely motion means State not responsible for all delay All time after COC is chargeable to prosecution due to invalid readiness Only 62-85 days chargeable to State; under 90-day limit
Whether case should be dismissed under § 30.30 No; ready for trial as of July 3, 2025; under time limit even with disputed periods Yes; prosecution exceeded time by failing in timely readiness Motion to dismiss denied; prosecution within time limit

Key Cases Cited

  • People v. Sinistaj, 67 NY2d 236 (prompt trial readiness is the purpose of CPL § 30.30)
  • People v. Coley, 2025 NY Slip Op 01945 (Second Dept: impeachment records tending to impeach a testifying witness must be disclosed)
  • People v. Macaluso, 230 AD3d 1158 (Second Dept: no blanket requirement for entire disciplinary records disclosure)
  • People v. Henderson, 237 AD3d 853 (Second Dept: disciplinary records not required if officer won't testify or records unrelated)
  • People v. Luperon, 85 NY2d 71 (Defendant has initial burden on a § 30.30 motion)
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Case Details

Case Name: People v. Diallo
Court Name: Yonkers City Court
Date Published: Aug 22, 2025
Citations: 2025 NY Slip Op 51324(U); Docket No. CR-0288-24
Docket Number: Docket No. CR-0288-24
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