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

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

The Mind of a Killer" is airing on Monday, Jan. 6 at 8 p.m. There are several ways to watch with a free live stream.

Find out how you can tune into the one-hour "TMZ Investigates: Luigi Mangione: The Mind of a Killer" for free if you don't ...

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

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

Luigi Mangione, the alleged killer of UnitedHealthcare CEO Brian Thompson was obsessed with Indian author Jash Dholani's <a ...

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

Rapper Sean "Diddy" Combs, under indictment for sex trafficking and other charges, is reportedly upset over the prison ...

Mangione appeared in court on December 19 to face four federal charges, including two counts of stalking, one count of murder through use of a firearm, which carries a maximum sentence of the death ...

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

Lawyers in the criminal case of the man accused of gunning down UnitedHealthcare’s CEO in front of a Manhattan hotel have ...