WASHINGTON (Sputnik) —Stewart was charged with threatening to murder a United States official and transmitting in interstate commerce, a communication containing a threat, according to the DOJ release.
"A Murfreesboro, Tennessee, man was taken into custody this morning by FBI agents and US Capitol Police, after a criminal complaint was issued."
Stewart sent threatening emails and posted threatening videos on his Instagram account, the release noted.
He also sent emails about plans to fly to Hawaii on November 1 to shoot Hawaii's US Senator Mazie Hirono and Hawaii's 2nd District Congresswoman Tulsi Gabbard.
Stewart would spend up to 15 years in prison if he is convicted, the release added.