Mangione, accused of gunning down the health care CEO one year ago, is looking to have key evidence thrown out.

UnitedHealthcare CEO Brian Thompson died in a dawn ambush Wednesday. The shooter remains at large and a manhunt continues.

Luigi Mangione has admitted in court that he killed the UnitedHealthcare boss Brian Thompson. The 28-year-old also pleaded guilty to two charges of stalking with intent to kill. Mr Thompson's wife ...

3D-printed gun, stalking trail revealed in UnitedHealthcare CEO Brian Thompson murder case Luigi Mangione appears for a pre-trial hearing at Manhattan Criminal Court in New York, on Tuesday, August 11 ...