"We must encourage these 'sanctuary' jurisdictions to change their policies," Attorney General Jeff Sessions said in announcing the move.
Denver council members want to formalize and in some cases, expand policies that limit cooperation with federal immigration officials.
Colorado Attorney General Cynthia Coffman is trying to get more immigrants to report cases of fraud, and she's taking lessons from Boulder County.
The former detainees have won the right to sue GEO Group on behalf of an estimated 60,000 people. It operates a facility in Aurora.
Denver Mayor Michael Hancock’s administration is trying to make it harder for authorities to track down undocumented immigrants in the city's courthouses.
The Democratic mayor talks to CPR News about his new approach to affordable housing and homelessness, and the changes he's seen in immigration enforcement in the city.
Compared to last year at this time, more criminals and non-criminals have been arrested and deported.
Hickenlooper wants to help Rene Lima-Marin stave off deportation.
His wife, Jasmine, had decorated her home and was on standby to pick him up when he called her to tell her that he was being held by ICE.
Young immigrants brought to the United States illegally as children have a lot at stake right now. That includes Diego, the "mayor" of Grand Junction High School.