Really good article here by the Montreal Gazette's Paul Cherry. Discusses not only the prison release denied Charles Gagné, who killed Eddie Melo in 2001, but also makes references to the related conflict within the 'ndrangheta in Ontario back then and the 2012 warning given Jimmy Demaria of the Siderno Group about the Rizzuto camp in Montreal wanting him dead.

Hitman who killed Mafia enforcer Eddie Melo denied a release

https://montrealgazette.com/news/hitman-who-killed-mafia-enforcer-eddie-melo-denied-a-release/