Who is John Joseph Saupp from The Valachi Papers and what is their importance? The_Valachi_Papers_(book) English & Literature John Joseph Saupp | The Valachi Papers

John Joseph Saupp was one of Valacji's fellow inmates in the New York prison. Valachi killed Saupp after he mistakenly believed him to be Joseph (Joe Beck) DiPalermo. It was rumored that DiPalermo had been sent to assassinate him.