Giuseppe De Vito, Montreal mobster, died of cyanide poisoning

A Quebec coroner's report reveals that well-known Montreal Mafia member Giuseppe De Vito died from cyanide poisoning in July.

• Quebec mobster Giuseppe De Vito dies in prison

DeVitowas found unconscious in his cellatthefederal prison inDonnaconain July.

The 46-year-old, who wasassociated with theRizzuto clan, was arrested in 2010, and convicted of conspiracy to import drugs andgangsterism.

According to the coroner's report, testsfound toxic-levels of cyanide in De Vito's blood and stomach.

DeVito was also the husband of AdeleSorella, who is in prison forkilling their two daughterswhile he was on the run.

• Adele Sorella convicted of first-degree murder

On June 24, she was convicted offirst-degree murder in the March 2009 deaths of the children.