Immigration and Customs Enforcement arrested more than 2,000 people as part of a five-week national operation that mostly targeted illegal immigrants with violent criminal histories.

The federal agency said roughly 85%, or 1,700 people, of those taken into custody between July 13 and Aug. 20 had criminal convictions or pending criminal charges on top of illegally residing in the United States. These included more than 770 cases of assault, 500 domestic violence cases, 140 sex offenses, 200 family offenses, and 25 homicides. In addition, there were more than 110 sex offenses involving a minor, 75 harassment cases, 35 hit-and-run cases, and 30 robberies. Some people had multiple charges or convictions.