 Details from ABC's Andrea Fujii. At 5.10 p.m., Crooks is first identified as a person of interest, a full 62 minutes before the first shots. At 5.30, he's spotted with a range finder, which can be used to determine distances for target practice. At 6.02, Trump takes the stage. 6.12, Crooks fires those shots. A sniper then killed Crooks 26 seconds after he fired the first shot.