Quebec Suspect in Decades-Old Murder and Sex Assault May Have Other Victims: Police

Marc-Andre Grenon, 47, seen in a police composite handout image, was charged Thursday with first-degree murder in the death of Guylaine Potvin in April 2000. The Canadian Press/Surete du Quebec

Quebec provincial police say they believe a man charged this week in the murder and sexual assault of a junior college student 22 years ago may have had other victims.

Marc-André Grenon, 47, was charged Thursday with first-degree murder and aggravated sexual assault of Guylaine Potvin, 19, in April 2000.