Source: United States of America – Federal Government Departments (video statements)
ICE uses intelligence to drive its pursuit of at-large criminal aliens in the U.S. who pose the greatest threat to your safety, like:
Sex offenders
Violent criminals
Drug traffickers
Transnational gang members
Info at https://www.ICE.gov/enforcement
Report suspicious behavior and activities to ICE at https://www.ICE.gov/tips or 1-888-DHS-2-ICE.