A top DOJ official supervised large-scale deportation raids in Chicago, resulting in 100 arrests. The DOJ is investigating potential law violations by sanctuary cities like Chicago, which refuses to assist federal immigration enforcement.

Acting Deputy Attorney General Emil Bove, appointed by President Donald Trump, will oversee the efforts of the FBI, DEA, ATF, U.S. Marshall Service, and federal prosecutors.

Acting Deputy Attorney General Emil Bove has visited Chicago to personally observe the start of an immigration enforcement crackdown long promised by President Donald Trump's administration in the nation's third-largest city.