THE gunman who came within inches of assassinating Donald Trump honed his shooting skills on a range just days before the attack....Bill Jenkins, who has spoken to the FBI, told The Sun on Sunday: “I was sitting next to evil. I haven’t been able to sleep thinking about it.” Crooks, who brought his own 9mm handgun, was such a crack shot on the elite training course that he blew a large hole in a shooting target with a volley of precision rounds.... ...Bill and Crooks had signed up to the intermediate handgun-pistol 2 class at Keystone Shooting Centre in Cranberry,...