For Yves Trudeau, the blood was all business. An assassin for the Hells Angels in the ’70s and ’80s, Trudeau was known as Apache, the Mad Bumper, and the Mad Bomber. As a contract killer, he did his job so well that the bikers sometimes lent him out to other organized-crime empires in Montreal, including the east-end French gangs led by the deadly Dubois brothers and the upstart Irish Mafia in the west end.