evidence: Thomas Matthew Crooks, 20, was registered to vote as a Republican and had previously made a small contribution to a Democratic-aligned group, according to public records. [...] Crooks lived in the Pittsburgh suburb of Bethel Park, about 35 miles south of the Trump rally where law enforcement officials say he fired at the former president. Crooks graduated from Bethel Park High School in 2022, according to a local media report and a video of the school’s graduation ceremony. [...] Crooks fired on Trump while perched on a nearby building rooftop outside the rally’s security perimeter, before being killed by Secret Service agents, according to law enforcement officials. One spectator at the rally was killed in the shooting, and two others were critically injured.