Over the years, he wrote on topics including the Mafia, union corruption associated with André Desjardins, criminal gangs and other topics, including the long and bloody conflict through the 1990s between rival Quebec motorcycle gangs, the Hells Angels and the Rock Machine.
Over time, he has written about various subjects, including organized crime, union corruption involving André Desjardins, criminal organizations, and other topics, such as the long-lasting conflict in the 1990s between rival Quebec motorcycle gangs, the Hells Angels and the Rock Machine.