Thomas Crooks was a nerdy engineering student on the dean’s list. He stockpiled explosive materials for months before his attack on Donald Trump, as his mental health eroded.

Trump even had a few words for the ex-FBI director and said: "He knew exactly what that meant. A child knows what that meant.

It has been the better part of a year since Thomas Crooks tried to assassinate now-President Donald Trump in Butler, ...

Donald Trump has been slammed by social media spectators after he appeared to make a joke about his assassination attempt, ...

Thomas Matthew Crooks, the 20-year-old Pennsylvanian who attempted to assassinate Donald Trump in July, was in the process of designing a bomb in the months leading up to the shooting.

Police then tracked Neumayer to his hotel, where he was arrested.

Federal investigators were able to access the email because it was sent from an account tied to the Community College of Allegheny County, where he was a student.

A statuette of the attempted assassination of President Donald Trump in Butler, Pennsylvania, has been spotted in the Oval ...

Sources told The Post the FBI has obstructed efforts to solve the mystery of why Thomas Matthew Crooks ... belonging to Crooks that were found with him at his home, at the rifle range where ...

An AR-15-style rifle was found next to the body of Thomas Matthew Crooks, the 20-year-old authorities say wounded Trump and others and left one man dead in Butler County, Pennsylvania.

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