Shawn Monper, 32, was arrested on April 9 through the joint efforts of the FBI and Butler Township Police Department.

Shawn Monper, of Butler, Pa., also threatened immigration agents in comments on YouTube, federal prosecutors said.

A Pennsylvania man is accused of threatening to assassinate former President Donald J. Trump and other U.S. officials, the ...

Officials say Shawn Monper obtained a firearms permit shortly after Trump's inauguration and commented on YouTube that he was ...

In a room filled with fireworks executives, law enforcement officers and first responders, two men who once stood at the ...