A monthslong investigation by CBS News punctures Thomas Crooks’ secrecy to reveal the broadest portrait yet of the lonesome ...

Thomas Matthew Crooks the gunman who nearly assassinated Trump spent his childhood in a strange environment dictated by a “very strict” father, according to a relative. He grew up in a home filled ...

Thomas Matthew Crooks would President Trump in the ear, and mortally wound retired fire chief Corey Comperatore during a ...

The Senate Homeland Security Committee said the Secret Service's "lack of structured communication was likely the greatest contributor to the failures" at the Pennsylvania rally last summer.

President Trump reflects on the one-year anniversary of the Butler, Pennsylvania, assassination attempt that left one dead and two wounded, nearly claiming his own life ...

A report released by the Government Accountability Office says the United States Secret Service received information of a threat against Donald Trump just days before an assassination attempt at his ...

One year after an assassin’s near-miss attempt on President Donald Trump, many who witnessed the shooting firsthand say they remain deeply dissatisfied with official investigations, which they believe ...

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.

Six Secret Service agents have been issued suspensions for failures connected to last year's attempted assassination of then-presidential candidate Donald Trump.

U.S. Rep. Mike Kelly, R-Pa., chaired the task force that investigated the attempted assassination of then-GOP candidate Donald Trump in Butler, Pa.