This has been well known or speculated about here and other places but I don't' recall ever seeing it reported.

http://www.radio-canada.ca/nouvelles/societe/2013/01/30/002-tony-magi-mafia.shtml

EXCLUSIVE - The murder of Nick Rizzuto Jr., occurred three years ago in Montreal, has still not been solved by the police, but the eyes are a real estate close to the mafia.

Businessman Tony Magi, who himself has been the target of an assassination attempt in 2008, had borrowed heavily to the Rizzuto clan for the project located at 1000, rue de la Commune East, in the Old Port of Montreal, one of the most prestigious addresses in Montreal. In the early 2000s, he transformed this former warehouse refrigeration condo building. The most luxurious can be worth up to $ 5 million.

Serious financial problems at the beginning of the project would have Tony Magi to incur large debts to the entourage of Vito Rizzuto. While in prison, Mr. Rizzuto has charged his son Nick to press for Mr. Magi to repay his due, but in vain. In 2008, Mr. Magi miraculously survives an assassination attempt.

Nick Rizzuto Jr. was killed in the streets, in Montreal, December 28, 2009.
A year and a half later, it was Nick Rizzuto Jr. who was assassinated in front of the offices of Tony Magi.

The contractor he played a role in this event? Police sources believe credible.

"According to information I have, that contract was executed by Joseph Ducarme at the request of Tony Magi [...] Of course, these are allegations," said the Bloc Quebecois Maria Mourani, specializing in street gangs and mafia.

Tony Magi is at tile for a long time and feared the vengeance of the Godfather, Vito Rizzuto, the father of Nick Jr.

This is another businessman with ties to the Mafia, Terry Pomerantz, who completed the project in 1000, de la Commune East. He sold five condos in the Rizzuto family for $ 1.6 million.

The survey team learned that twenty condominium building were occupied in recent years by members of organized crime. Hells Angels members of street gangs and mafia. It is therefore an ideal place to do business away from prying eyes.

Tony Magi was for many years a leading player in the residential development in the west of Montreal. Surprisingly, he had contacts with several mayors, despite the suspicions of the police against him.

A report by Alain Gravel