Let me help you expand your knowledge https://en.wikipedia.org/wiki/Congressional_baseball_shootin...
He was condemned by both parties, and was not part of the mainstream liberal movement.
The only person that was killed during the capitol riot was one of the rioters shot by capitol security. Justified, to be clear, but it wasn't violence perpetrated by the rioters. Brian Sicknick died of natural causes [1][2][3].
1. https://www.washingtonpost.com/local/public-safety/brian-sic...
2. https://www.npr.org/2021/04/19/988876722/capitol-police-offi...