Amy Dillard, a professor of law at the University of Baltimore, and Christy Lopez, a professor at Georgetown University Law Center and former Deputy Chief in the Special Litigation Section of the Civil Rights Division at the U.S. Department of Justice, discuss why Illinois attorney general Lisa Madigan has sued the city of Chicago to overhaul police training practices, after investigations found systemic issues with the Chicago police force. They speak with Michael Best and June Grasso on Bloomberg Radio's "Bloomberg Law."