Le dernier souffle (1999)

The life of Laurent Vaillancourt, a police officer in Montreal, is falling apart. His wife leaves him, his father hardly talks to him, and his brother Martin is in big trouble. When Martin dies in a mysterious way, Laurent tries to solve his murder. The investigation leads him to Nazareth, Arkansas, a town ruled by the militia. Laurent gets himself involved in a dark plot involving murder, money and a set of shadowy characters. Will he be able to get himself alone?