The Unthinkables

March 15, 1934 To All Members, Department of Police, City of Chicago:

Your attention is directed to increased partisan hectoring regarding the Dillinger file. Basic Department policy in this area is contained in White Paper, 1/17/34 (Has Dillinger Betrayed His Revolution?). Nevertheless, growing civic unrest, fanned by irate-wing extremists, makes further clarification necessary: