The new book on this topic will be released this Tuesday, April 15. I anticipate there will be some content related to the Montreal mafia. Some links:

https://a.co/d/0WkZR4g (Canada)

https://www.amazon.com/Hitman-Untold-Canadas-Deadliest-Assassin/dp/1443471518 (US)

Teaser:

Opinion: How did Canada’s deadliest killer go unpunished?
https://www.theglobeandmail.com/opinion/article-how-did-canadas-deadliest-killer-go-unpunished/

Paywall-free version via my Evernote link:

https://share.evernote.com/note/6331516e-59c3-4530-a22a-ca3a8e977998