Crooks, who was killed by the Secret Service after firing from an elevated position outside the Trump rally venue, lived in Bethel Park, Pa., a suburb of Pittsburgh about an hour’s drive south ...

Thomas Matthew Crooks, who attempted to assassinate now-President Donald Trump in July, was in the process of designing a ...

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.

Thomas Matthew Crooks, the 20-year-old Pennsylvanian who attempted to assassinate Donald Trump in July, was in the process of ...

Organizer say the old roof had been worrying the veteran for years, but he didn't have the funds to take care of it.

Two people have died and nine others were injured in a shooting at Lemon Hill in Fairmount Park during Memorial Day ...

Law enforcement officials were working Sunday to learn more about Thomas Matthew Crooks of Bethel Park, Pennsylvania, to determine what motivated him to open fire on the rally from a nearby ...

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

Summer events are about to kick off in Philadelphia, and police say they are taking action to keep attendees safe as the city ...

A man and woman were killed, and at least nine other people were injured in a shooting at Lemon Hill in Fairmount Park Monday ...