The U.S. Department of Justice is poised to release a report Friday detailing the extent of civil rights violations committed by the Chicago Police Department, which will trigger negotiations with the federal government and provide an early sign of how much pressure President-elect Donald Trump’s administration will be willing to exert on cities to reform police agencies. Under President Barack Obama, the Justice Department opened investigations into 25 law enforcement agencies and negotiated court-enforced settlements with most of the cities.