men who are considered to be senior members of Commisso's family that there are credible threats on their lives. The warnings came over the past month and the men declined police protection.

Two other men who investigators consider to be senior underworld figures in York Region have chosen to quietly leave town over the past month, sources say.

One of those departing is related to Commisso. The other is related to Agostino Cuntrera, a former leading member of the Rizzuto crime family in Montreal who was murdered in 2010.

There was enormous bad blood between the Rizzutos and local 'Ndrangheta at the time of Rizzuto's death. They were on opposite sides of a mob war in the early 2000s that saw Rizzuto's father and eldest son murdered.

At the time of hisdeath, Rizzuto was believed by police to have drafted a "black list" of men in the Commisso family he wanted killed.

"People are watching their backs now," the veteran investigator of organized crime said. "People aren't being as open to meetings now. They're getting nervous."

Newcomer Anastasios (Tassos) Leventis, 39, of Montreal may have been nervous when he was called to a mid-afternoon meeting on Jan. 30, but he went anyway.

Leventis was connected to the Wolfpack Alliance, even if he wasn't a member.

Leventis moved to downtown Toronto from Montreal more than a year ago to collect drug debts owed to Montrealers, the police source says.

Not long before his death, he had a confrontation with a York Region 'Ndrangheta Mafia boss connected to Commisso over a drug debt.

On the afternoon of