Homicide in Chicago, 1870-1930
This website provides with searchable the Chicago Police Department homicide records and related documents. The original records are Chicago Police Department Homicide Record Index 1870-1930 available from the Illinois Regional Archive Depository at Northeastern Illinois University.
Report of the General Superintendent of Police of the City of Chicago
Library has : 1885-1888, 1890-1898, 1900-1903, 1906 Also Online via HathiTrust (years may vary)
Annual Reports, Police Department City of Chicago
These annual reports typically include uniform crime index statistics at police district level (around 25 districts in Chicago)
Library has : 1916-1917, 1920, 1924-1925, 1929-1941, 1950-1958, 1961, 1964-1971, 1986-1997, 2001
City of Chicago Police Data & Statistics
Be sure to explore our Transportation Library - they specialize in Public Safety information.