Shooter's motives still unclear despite extensive investigation into the attack that nearly changed American history.. As the one-year mark nears since the attempted assassination of President Donald Trump, questions remain unanswered; notably, why did Thomas Matthew Crooks carry out the attack, and how did he get so close? Despite the year's passage, the mystery endures surrounding the 20-year-old Pennsylvania native’s motivation. Fox News Digital spoke with two former federal officials about the lingering questions. Former FBI agent John Nantz said Crooks did not fit the profile of a politically motivated extremist. "Crooks looked not so much like an ideologue, not...