Emails and essays obtained by CBS News shed new light on Thomas Matthew Crooks, the 20-year-old who opened fire at a Trump rally in Butler, Pennsylvania.

Allegheny Arms & Gun Works previously violated multiple federal firearm sale regulations.

But he has not named the shooter, Thomas Matthew Crooks ... official said the former president hasn't mentioned Crooks because "he's dead" and doesn't pose a threat. Trump’s standard playbook ...

One name went unspoken: Thomas Matthew Crooks ... official said the former president hasn't mentioned Crooks because "he's dead" and doesn't pose a threat. Keeping up with Election 2024?

By Michael Levenson A man fired multiple shots ... whom federal law enforcement officials identified as Thomas Matthew Crooks, a 20-year-old from Bethel Park, Pa. The attorney general’s office ...

Thomas Matthew Crooks’s bullets missed former ... Three rally attendees weren’t that fortunate with one of them shot dead and the other two seriously injured by Crooks, who was neutralised by the US ...

Donald Trump shooter Thomas Matthew Crooks' father has spoken out for the first time since his son was shot dead trying to assassinate the former president. Matthew Brian Crooks, 53, was seen ...

Failed Donald Trump assassin Thomas Matthew Crooks’ high school ... before the Secret Service shot him dead. In April, Crooks searched online about major depressive disorder, investigators ...

Thomas Matthew ... locked on Crooks. 6:12pm: Gunshots were fired toward the stage as Trump delivered remarks. 6:12pm: Secret Service returns fire, confirming the shooter is dead.

Thomas Crooks was shot dead by Secret Service snipers. AP Crooks was shot dead by the Secret Service moments after he fired several shots into the crowd at the Butler Farm Show grounds.

However, it would later be revealed that Crooks drove rally in Butler, Pennsylvania, parking about less than half a kilometre away at a gas station. Thomas Matthew Crook was shot dead on the roof ...