Kathleen Mangione told investigators that her son resembled the Brian Thompson shooting suspect a day before he was arrested in Altoona, Pennsylvania ...

The suspect in the killing of UnitedHealthcare’s CEO has added a prominent defense lawyer to his legal team as Manhattan prosecutors work to return him from Pennsylvania to face a murd ...

As Luigi Mangione battles extradition, business leaders discuss safety measures in the wake of the UnitedHealthcare CEO's death.

Mangione has been denied bail and is fighting extradition after being charged with murder in New York in connection with Brian Thompson’s death ...