AG: Justice Department investigating whether Chicago police broke law (cnn.com)
"The U.S. Justice Department is investigating whether Chicago police have made a habit of violating the law or the U.S. Constitution in their policing, Attorney General Loretta Lynch said Monday."
Department of Justice Agencies (justice.gov)
"The position of Attorney General was created by the Congress in the Judiciary Act of 1789. The United States Department of Justice was established by statute in June 1870, with the Attorney General as its head."
How the DOJ Reforms a Police Department Like Ferguson (pbs.org)
"Ferguson, Mo., police officers regularly discriminate against black residents, subjecting them to illegal stops, excessive force and arrests for petty offenses like "manner of walking in roadway," according to a Department of Justice (DOJ) investigation released on Wednesday."