Less than a week after assuming office, President Donald Trump launched a comprehensive initiative aimed at addressing undocumented migration in the United States. Key officials from the Trump administration,

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.

As much of the nation watched Trump take office for the second time in history, a border agent in Vermont was reportedly shot dead by a migrant.

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.

Teresa Youngblut, 21 from Washington, has been arrested in connection to the fatal shooting of a border patrol agent in Vermont on Monday.

The FBI is investigating a Border Patrol agent-involved shooting, according to a statement from the Vermont State Police.

With multiple top Trump administration officials in Chicago, ICE confirmed that it has begun “enhanced targeted operations” in the city and suburbs.

Dr. Phil McGraw said on Sunday that he’s embedding with Immigration and Customs Enforcement officials as they conduct what federal officials are calling “targeted operations” to enforce immigration law in Chicago.

Immigration and Customs Enforcement (ICE) announced on Sunday that it "began conducting enhanced targeted operations" in Chicago to "preserve public safety" and keep illegal immigrants with criminal records off of the streets.

Targeted immigration enforcement operations by multiple agencies were launched in Chicago Sunday, with top Trump administration officials in the city to oversee the operation.Multiple sources told CBS News Chicago that those held by ICE Sunday have active warrants.