Newly released bodycam footage shows the moment Luigi Mangione is arrested in a McDonald's restaurant, days after the killing of UnitedHealthcare CEO Brian Thompson. In one clip, a police officer can be seen finding a gun magazine in a backpack belonging to Mangione. Later, officers are also seen finding a gun in the backpack. Mangione has pleaded guilty to federal charges relating to Thompson's killing. #LuigiMangione #BBCNews