Social media posts from Luigi Mangione show the man suspected of killing UnitedHealthcare CEO Brian Thompson underwent ...

A motive in the murder of Brian Thompson remains elusive after it is reported that his alleged killer was not a client of ...

Luigi Mangione apparently used a ghost gun, a firearm that can be made at home, to shoot down the UnitedHealthcare CEO Brian ...

Luigi Mangione's lawyer said he wants to see the new fingerprint and ballistics evidence announced by the New York Police ...