The family of Constable Andre Lalonde has searched for answers for 25 years. The veteran officer with the Montreal Police Department, known for his friendly nature and his big moustache, was shot three times at close range after pulling over a car with a noisy muffler. Mike Armstrong, a rookie reporter at the time of the killing, explores the impact this murder had on Lalonde's wife and two children, and the questions that continue to haunt investigators in their search to find his killer.