Before John Dillinger, Pretty Boy Floyd, and Baby Face Nelson made the term "Public Enemy" famous, there was Alvin Karpis--one of the ruthless leaders of the Barker-Karpis gang. It was him that J. Edgar Hoover first thought worthy of the title Public Enemy In a page-turning style, this true crime book traces his criminal origins from his young days as a bootlegger to his ultimate demise.