For results relative to desired outcome: Castellando/Bilotti. Brilliantly executed by four identically clad and hatted men wielding identical weapons, to make positive identification impossible. Results: Decapitation of Don and would-be second in command; Gotti got what he wanted. But: He was ultimately convicted and sent to prison for the rest of his life.

Columbo hit was brilliantly and imaginatively executed to mask an inside job, but he lingered for years in a coma. Also, years of turmoil in that Family.

Maranzano hit was the most consequential: Ended the "Moustache Pete" era and led to the Commission replacing Capo di Tutti Capi would-be dictatorship and all the turmoil it caused.