(corrected for accuracy)
He also has an extensive criminal record going back many many years. Always minor crimes, but indicative of an angry man with much lack of control. Doubt he was part of any planned conspiracy. Too unstable to maintain a regular relationship with other nut jobs. Another interesting fact. It was only because Scalise was on the list of 9 people getting special protection that there were Capitol police there to protect all the other Congressmen.