Three undercover law enforcement officers in Chicago were shot early Wednesday not far from a police station. One officer from the Chicago Police Department and two Bureau of Alcohol, Tobacco, ...

An explosion on Interstate 290 in Chicago's west suburbs killed one person and stopped traffic for hours Thursday, federal ...

CHICAGO - There was another brazen attack on law enforcement in Chicago on Wednesday. Chicago police have at least two people in custody after an undercover officer and two ATF agents were shot while ...

The Trace, a nonprofit newsroom, and USA TODAY obtained ATF inspection records for 13 gun dealers singled out by the city of Chicago as suppliers of a disproportionate number of guns used in city ...

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CHICAGO – An operation targeting trafficked illegal firearms and machine-gun conversion devices linked to "violent criminal activity" in Chicago and across the United States yielded over 40 arrests, ...

CBS 2's Meredith Barack, Charlie De Mar, Suzanne Le Mignot, Mugo Odigwe, and Marie Saavedra contributed to this report CHICAGO (CBS) -- Detectives were questioning a "person of interest" Wednesday ...

A Chicago police officer and two federal ATF agents were shot early Wednesday while working undercover, suffering non-life-threating injuries while entering I-57 in an unmarked vehicle in the city's ...