Washington Post – Data shows a surge in homegrown incidents not seen in a quarter-century:[article and graphics] “Domestic terrorism incidents have soared to new highs in the United States, driven chiefly by white-supremacist, anti-Muslim and anti-government extremists on the far right, according to a Washington Post analysis of data compiled by the Center for Strategic and International Studies. The surge reflects a growing threat from homegrown terrorism not seen in a quarter-century, with right-wing extremist attacks and plots greatly eclipsing those from the far left and causing more deaths, the analysis shows. The number of all domestic terrorism incidents in the data peaked in 2020…”

See also The Military, Police, and the Rise of Terrorism in the United States, CSIS Briefs April 12, 2021 Download the Brief – “U.S. active-duty military personnel and reservists have participated in a growing number of domestic terrorist plots and attacks, according to new data from CSIS. The percentage of all domestic terrorist incidents linked to active-duty and reserve personnel rose in 2020 to 6.4 percent, up from 1.5 percent in 2019 and none in 2018. Similarly, a growing number of current and former law enforcement officers have been involved in domestic terrorism in recent years. But domestic terrorism is a double-edged sword. In 2020, extremists from all sides of the ideological spectrum increasingly targeted the military, law enforcement, and other government actors—putting U.S. security agencies in the crosshairs of domestic terrorists…”