Police Tracked Quebec Cold Case Suspect to Cinema, Seized Drinking Cup, Trial Hears
Published on January 25, 2024
A Quebec police officer has told a first-degree murder trial how he and his partner tracked a suspected killer to a movie theatre, and secretly took his discarded soft drink cup for a DNA test. Provincial police Sgt.-Det. Christian Royer took the stand on Jan. 25 in the Saguenay, Que., murder trial of Marc-André Grenon, who is charged with the first-degree murder and aggravated sexual assault of Guylaine Potvin, in April 2000. Sgt.-Det. Royer says he was sent to Mr. Grenon’s apartment in Granby, east of Montreal, in August 2022 after the province’s forensics lab identified him as a possible person of interest in the 19-year-old’s death....