Mangione's legal battles highlight the complexities of navigating "warring jurisdictions" in a high-profile murder case.

Mangione visited the gun range after taking a solo trip across Asia last year, according to two German tourists he met.

Court proceedings in the case against Luigi Mangione, the man accused of fatally shooting UnitedHealthcare CEO Brian Thompson ...

Mangione was arrested on Dec. 9 at a McDonald's in Pennsylvania after a five-day search. He is currently being held in a ...

With overwhelming evidence against Mangione, jury nullification could be what gets him acquitted or the result of a mistrial.

The 26-year-old alleged assassin visited the gun range after fleeing the US on a solo Asia trip early last year, two German ...

Luigi Mangione's, the man accused of shooting and killing United Healthcare CEO Brian Thompson, next federal court proceeding is pushed back one month.

UnitedHealthcare murder suspect Luigi Mangione has retained Craig Rothfeld, a former white-collar inmate turned prison consultant who also worked for Harvey Weinstein.

Luigi Mangione was apprehended by police on Dec. 9 as the primary suspect the murder of UnitedHealthcare CEO Brian Thompson.

Luigi Mangione, the suspect in United Healthcare CEO Brian Thompson's killing, is fighting his extradition to New York City.

Julie Grant's top story covers Luigi Mangione's arrogance and actions leading up to the shooting death of Brian Thompson, after the release of a TMZ documentary.

Friends and family members of Luigi Mangione are in disbelief that he's the alleged killer of UnitedHealthcare CEO Brian ...