 Meanwhile, there are questions about the prep work done by the Secret Service. Director Kim Cheadle spoke with ABC News. Shock and then concern, obviously, for the former president. This is an event that should have never happened. Officials said Crooks, who was killed shortly after he opened fire, did not have a history of interactions with law enforcement or of mental illness, and they had yet to find any accounts of him making threats. One former classmate told the Washington Post their final project in high school history together