The shooter who killed five co-workers at a Louisville, Kentucky, bank this month left two very extensive notes – one in his home and one found on him after police killed him in a shootout, according to two law enforcement sources. The gunman purchased the AR-15-style rifle seven days before the April 10 shooting and under Kentucky law he was only required to fill out a form for the US Bureau of Alcohol, Tobacco, Firearms and Explosives and to undergo an FBI records check to ensure he was not a felon or the subject of a court-imposed restraining order. The video was taken down by Meta, which owns the social media site