An alleged Montreal mob boss was found dead in the Assomption river north-east of the city on Thursday morning.
Salvatore Montagna was suspected as being the head of New York's Bonanno crime family. After being deported to Canada in 2009, he was considered a contender to lead Montreal's Rizzuto family Mafia.
Police speculate that the killing was related to Montagna's efforts to switch Mafia groups.
His death is part of a surge in Mafia related killings and disappearances over the past couple years.
Montagne leaves behind a wife and three children.