Question: Who was the friend the main rival of Johnny Torrio and Al Capone during the brutal Chicago bootlegging wars of the 1920s, also known as "The Schemer"?
Sentence (from "Vincent Drucci"): Vincent Drucci, also known as "The Schemer" (born Vincenzo D'Ambrosio; 1898 – April 4, 1927), was an Sicilian-American mobster during Chicago's Prohibition era who was a member of the North Side Gang, Al Capone's best known rivals.
Relevant evidence: Yes