Luigi Mangione state murder trial pushed back following federal guilty plea

Published August 17, 2026 1:01 PM PDT

FILE - Luigi Mangione talks to one of his lawyers in Manhattan Supreme Court Tuesday, Aug. 11, 2026, in Manhattan, New York.(Barry Williams/New York Daily News/Pool/Tribune News Service via Getty Images)

Proceedings in the state murder prosecution of Luigi Mangione have been pushed back after defense attorneys made a move to toss the local charges against him, according to court documents. 

A Manhattan judge on Monday extended the deadline for prosecutors to respond to a motion to dismiss filed by Mangione's legal team as a result; Manhattan District Attorney Alvin Bragg's office now has until Oct. 9 to submit its filing, forcing the postponement of the state trial that was previously scheduled to launch Sept. 8.

The legal push follows Mangione's admission of guilt in federal court late last week, where he pleaded guilty to federal stalking charges linked to the December 2024 shooting death of UnitedHealthcare CEO Brian Thompson.

Immediately after that federal plea, defense counsel challenged the state case on double jeopardy grounds.

What's next:

The ruling leaves the timeline for any state-level proceedings uncertain while the judge considers whether the state indictment can move forward alongside the completed federal prosecution.

The Source: Information from a defense motion filed on Aug. 14 in New York State Supreme Court and FOX 5 N.Y. reporting. 

Crime and Public SafetyNew York