 As tension then grew into a power struggle between the Calabrian and Sicilian factions of the family, a mob war began in 1973.This led to a violent Mafia war in Montreal which resulted in the deaths of Violi and his brothers, along with others, spanning the mid-1970s to the early 1980s until the war ceased.By the mid 1980s, the Rizzuto crime family emerged as Montreal's pre-eminent crime family after the turf war.