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Mangione Defense Challenges DA Over Unverified Quote Attributed to His Mother

A new filing says discovery contains no record of the alleged remark, prompting a request to deem the DA’s compliance certification insufficient ahead of the Dec. 1 trial.

Overview

  • Defense attorneys asked the judge to rule the Manhattan district attorney’s certification of discovery compliance insufficient.
  • They requested either documentary proof that Kathleen Mangione made the alleged statement or a formal correction of the record.
  • The quote traces to a December 2024 briefing where NYPD Chief of Detectives Joseph Kenny cited SFPD and FBI communications, and it has been widely repeated by media and in a recent book.
  • The filing also says Mangione has not received a laptop and hard drive needed to review discovery before his next New York state court date on Dec. 1.
  • Prosecutors are expected to respond in court filings; Mangione has pleaded not guilty and was arrested in Pennsylvania after a dayslong manhunt following the Midtown shooting.