On Monday, U.S. Immigration and Customs Enforcement (ICE) announced 3,168 undocumented immigrants were detained over the course of six-days in a national operation the agency dubbed "Cross Check." According to ICE, the six-day operation was the largest such effort in the agency's history.

Operation Cross Check involved more than 1,900 ICE officers who worked with federal, state and local law enforcement throughout the U.S. to carry out the arrests in all 50 states, Puerto Rico, three U.S. territories and the District of Columbia.