Shawn Monper, 33, of Butler County pled guilty to making threats to assault and murder President Donald Trump and other U.S. officials.

BUTLER, Pa. — A Pennsylvania man pled guilty in federal court for reportedly making threats to assault and murder President Donald Trump, other United States officials and U.S. Immigration and Customs Enforcement Agents, according to U.S. Attorney Troy Rivetti.

Shawn Monper, 33, of Butler County pled guilty to two counts of threatening to assault and murder U.S. officials and federal law enforcement officer with the intent to impede, imitate, interfere with and retaliate against the officials and agents while thy were engaged in, and on account of, the performance of their official duties.

According to the U.S. Attorney’s Office of the Western District of Pennsylvania, Monper accepted responsibility for the other counts for which he was charged as part of his plea agreement.

The FBI national Threat Operations Section (NTOS) received an emergency disclosure in April 2025 on threats posted to YouTube by a user named “Mr. Satan.” The federal investigation found that the account and internet activity was connected to Monper. 

An investigation into Monper reportedly found that he obtained a firearms permit shortly following President Trump’s inauguration. In February 2025, Monper commented multiple assassination and mass shooting threats with his account.

Investigators found that Monper posted several threatening statements regarding President Trump, U.S. officials and ICE officials during the period between Jan. 15, 2025, and April 5, 2025, according to the U.S. Attorney’s Office. He made comments not only directed at President Trump, but also Elon Musk and heads of agencies that Trump appointed.

Monper’s scheduled sentencing is set for Aug. 12, 2026. According to the law, a maximum total sentence on each count is up to 10 years in prison, a fine of up to $250,000 or both. 

The FBI and Butler Township Police Department conducted the investigation.