He is one of Canada’s wealthiest businessmen and a respected philanthropist. But when Michael DeGroote invested millions in a dream venture of Caribbean casinos, it led to a nightmare of death threats and revenge plots and the involvement of a leading Mafia Godfather.An explosive year-long investigation by the CBC and the Globe and Mail. For more on the fifth estate : http://www.cbc.ca/fifth Follow us on Twitter : http://www.twitter.com/cbcfifth Like us on Facebook : https://www.facebook.com/thefifthestate