 The power of the Commission shifted from the "conservative-Sicilian faction" to the "liberal-American faction".In 1951, Vincent Mangano disappeared, and his brother Philip Mangano found dead near Sheepshead Bay, Brooklyn, allegedly on the orders of family underboss Albert Anastasia.With Mangano gone, Frank Costello became the Commission leader for the "liberal faction", and Joseph Bonanno became the leader of the "conservative faction".