The lawsuit asks the court to immediately end a number of laws and ordinances it says thwart federal immigration authorities.

In its lawsuit, filed Thursday, the U.S. Department of Justice says Chicago’s Welcoming City Act, Cook County’s Ordinance ...

President Donald Trump has often singled out Chicago and Illinois, which have some of the nation's strongest protections for ...

The Department of Justice is suing Illinois, Chicago and Cook County because of their sanctuary policies. The Trump ...

The lawsuit argues that the U.S. Constitution’s Supremacy Clause “prohibits Illinois, Chicago, Cook County, and their ...

President Trump’s Justice Department sued the state of Illinois, the city of Chicago and local officials Thursday over laws ...

The Trump administration filed a lawsuit against Chicago, Cook County and the state of Illinois for sanctuary policies that ...

The Trump administration stepped up its legal fight over the president’s crackdown on undocumented immigrants by suing ...

The Department of Justice is suing Chicago, the state of Illinois and Cook County over sanctuary city policies.

The federal lawsuit accuses those jurisdictions of "making it more difficult for, and deliberately impeding, federal immigration officers' ability to carry out their responsibilities." ...

Chicago’s path to being a sanctuary city began more than 40 years ago. Here’s a look at the leaders and laws that have shaped Chicago’s involvement with the sanctuary movement.