Border czar Tom Homan told NBC News that several people with criminal convictions were apprehended in Chicago.

The Los Angeles-based Drug Enforcement Administration headquarters said it’s cooperating with federal law enforcement entities on immigration enforcement efforts.

Targeted immigration enforcement operations by multiple agencies were launched in Chicago Sunday, with top Trump administration officials in the city to oversee it all. One of President Trump's many campaign slogans was,

The Trump administration launched an immigration enforcement blitz in Chicago on Sunday that includes several federal agencies that have been granted additional authorities to arrest undocumented immigrants in the US,

With two top Trump administration officials in Chicago, federal law enforcement began a “targeted” immigration blitz Sunday, according to a spokesman for U.S. Immigration and Customs Enforcement. The agency did not say how many arrests have taken place so far.