There seems to be little precedent behind the state of Illinois suing Chicago in order to trigger a consent decree at the police department.Still, reform advocates believe it could be a new avenue of police accountability in the face of the Trump administration’s refusal to negotiate consent decrees with police departments.“They deserve some real credit for stepping up,” Craig Benson Futterman, a clinical professor of law at the University of Chicago Law School, said about Illinois Attorney General Lisa M …