Prosecutors at the Manhattan District Attorney's Office have begun presenting evidence to a grand jury as they work to secure ...

Body language expert Susan Constantine analyzed videos and photos of Luigi Mangione, who is accused of shooting ...

Luigi Mangione, the suspect accused of killing UnitedHealthcare CEO Brian Thompson wasn't a member of the insurer, a company spokesperson said.

Despite recent revelations about a potential motive, Mangione’s descent into rage and violence remains largely a mystery.

Luigi Mangione's lawyer is fighting his extradition from Pennsylvania, where he's currently being held, to New York.