Resolving the federal case could allow Mangione to seek dismissal of state murder charges under New York’s double jeopardy law.

A trial for Mangione’s state case in connection with the killing of UnitedHealthcare CEO is set to begin next month.

Luigi Mangione, the 28-year-old accused of murdering UnitedHealthcare CEO Brian Thompson, could plead guilty to federal charges, a source close to the matter has said.

Mangione faces two charges of stalking resulting in death in federal court

Luigi Mangione plans to plead guilty in the federal case concerning Brian Thompson's death. This plea could avert a federal trial and potentially dismiss state murder charges.…