Before his arrest this week in the killing of UnitedHealthcare’s CEO, Mangione’s family desperately tried to find him, reaching out to former classmates and posting queries on social media.

Luigi Mangione, the man charged with murder in the death of UnitedHealthcare executive Brian Thompson, has retained a New York attorney who previously worked in the same office pursuing the case against Mangione.

Mr Mangione was arrested with a 3D-printed gun at a McDonald’s in Pennsylvania on Monday following a six-day manhunt for the hooded shooter who shot Mr Thompson last week. The g