New York City

Defense Alleges Mishandling of Medical Records in High-Profile Manhattan Murder Case

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Published on August 20, 2025
Defense Alleges Mishandling of Medical Records in High-Profile Manhattan Murder CaseSource: Pennsylvania Department of Corrections

In the ongoing case against Luigi Mangione, accused of murdering UnitedHealthcare CEO Brian Thompson, the defense team is intensifying their claims. They allege that the Manhattan District Attorney's office improperly obtained and perused Mangione's private medical records, which were inadvertently provided by his insurer, Aetna. According to a new court filing, the defense lawyers are pushing for an evidentiary hearing to delve into how the information was secured and who had access to it.

The allegations surfaced after the DA's office issued a subpoena to Aetna, which, the defense argues, led to the violation of health privacy laws. In response, prosecutors have maintained that their request was focused on innocuous details such as Mangione's account number and duration of his coverage with Aetna. However, the insurance company allegedly submitted more than what was required. "Given the factual discrepancies between the District Attorney's Office and Aetna, this Court should conduct an evidentiary hearing so that the Court can fashion an appropriate remedy commensurate with the gravity of the violation," defense attorneys stated in documents obtained by ABC7 New York.

The defense's filing also mentioned potential subsequent legal maneuvers, which might include seeking the suppression of the incriminating evidence, requesting the recusal of the present prosecution team, or possibly moving to dismiss the charges altogether. As reported by CBS News, this isn't the first instance of the defense raising such concerns: They have previously accused the DA's office of listening in on a recorded call with Mangione and sought to have at least two counts against him dismissed.

Mangione, who has entered a not guilty plea, is facing several federal and state charges for the December 2024 murder of Thompson. With the federal charges carrying the potential for the death penalty federal prosecutors have indicated they intend to pursue it. Earlier arguments from the prosecution have presented notes allegedly penned by Mangione that outlined his motive as a basis for the state terrorism charge, with prosecutors arguing that "If ever there were an open and shut case pointing to the defendant's guilt, this case is that case," CBS News reported.

Mangione's next court appearance is slated for mid-September. He remains in federal custody, but has been granted the use of a laptop to prepare for his trial. The device he's been provided with does not have internet access and is restricted solely to case-related material, a detail indicating his legal team's emphasis on diligently preparing his defense in the wake of the evolving allegations of evidence mishandling.