Chicago police officials say an officer killed this week was accidentally shot and killed by her partner after they encountered someone with a rifle when they chased a suspect into an apartment.

Homeland Security Secretary Kristi Noem joined federal agents in New York City to announce the arrests of immigrants wanted on criminal charges.

Mealworms may have been what sickened a diner at a Chicago hotel earlier this week during the Democratic National Convention.

Multiple pro-Palestinian demonstrators were arrested after clashing with police during a protest that began outside the Israeli consulate and spilled out onto the surrounding streets on the second night of the Democratic National Convention.

Chicago Police Superintendent Larry Snelling says outside police agencies that’ll help secure the Democratic National Convention in Chicago next month won’t be posted in city neighborhoods.

Chicago Police Superintendent Larry Snelling is touting the nation's second-largest police department as fully prepared for protests ahead of the Democratic National Convention, including on a new mass arrest policy.

A deadly traffic stop where plainclothes Chicago police officers fired nearly 100 shots in under a minute has raised serious questions about the use of force and role of tactical officers in police departments.

Chicago’s new police chief says the city’s use of police stations as temporary housing for thousands of migrants seeking asylum has been a “burden” on the nation’s second-largest police department.