Right-wing political violence is more frequent, deadly than left-wing violence
Right-wing political violence is more frequent, deadly than left-wing violence

arstechnica.com
Right-wing political violence is more frequent, deadly than left-wing violence

Based on our own research and a review of related work, we can confidently say that most domestic terrorists in the US are politically on the right, and right-wing attacks account for the vast majority of fatalities from domestic terrorism.