Luigi Mangione 'became quiet and started to shake' as cops confront him at McDonald's over CEO murder

Luigi Mangione, the prime suspect in the murder of UnitedHealthcare CEO Brian Thompson, was arrested at a Pennsylvania McDonald's after a customer recognized him. Police found a 3D-printed pistol, silencer, and ammunition in his backpack. Mangione's arrest sparked online backlash, with some criticizing the tipster and others boycotting McDonald's in protest.