CRS Insight via LC – Domestic Terrorism and the Attack on the U.S. Capitol, January 13, 2021: “On January 6, 2021, a large group of individuals breached the U.S. Capitol security while Congress was in session. Members were voting on whether or not to certify President-Elect Joe Biden’s election victory, and many participants in the attack allegedly intended to thwart this effort. According to media coverage, violent participants injured scores of District of Columbia Metropolitan Police and U.S. Capitol Police officers and killed one, while four civilians have died as well. In light of this incident and the violent threat to the operation of the U.S. Congress, policymakers may be interested in whether this incident may be treated as domestic terrorism and if the participants are domestic terrorists, among other issues. This Insight discusses whether or not participants and their actions may be categorized as domestic terrorists and domestic terrorism,respectively, and issues around designating domestic fringe groups, such as the Boogaloo Bois and Proud Boys who were allegedly involved in the attack,as terrorist organizations. It concludes with possible next steps for Congress..”