Who is Frank Costello from The Valachi Papers and what is their importance? The_Valachi_Papers_(book) English & Literature Frank Costello | The Valachi Papers

Frank Costello is the "acting boss" of the Lucky Luciano Family. He bases his interests on personal business success, rather than immersing himself in the internal fighting among the families. When Genovese order a hit on Costello it fails, and although Costello does not retaliate, he does allow Genovese to take over the Luciano Family.