Anxieties about crime today have become a familiar route for the creation of new government agencies and the extension of state authority. It is important to remember the original "war on crime" in the 1930s-and the opportunities it afforded to New Dealers and established bureaucrats like J. Edgar Hoover-as scholars grapple with the ways states assert influence over populations, local authority, and party politics while they pursue goals such as reducing popular violence and protecting private property.