 Before the first shot. 20 minutes, he was already spotted. 11 seconds after the first shot, which happened at 6.12 p.m., snipers located Crooks. 15 seconds later, Crooks was shot dead, according to ABC News. The timeline here, at 5.10 p.m., Crooks first identified as a person of interest. 20 minutes later, at 5.30 p.m., Crooks is spotted with a range finder.