Eighteen year old Lyette Gibb was last seen on April 25, 1987 near her parents home in Chomendey on the island of Laval. Six months later her remains were found at the foot of a tree in the woods near Assomption, Quebec.

On August 23, 1987, seventeen year old Sophie Landry disappeared from a Longueuil bus terminal while traveling from her parents home in La Prairie to the juvenile detention center she was living at on weekdays in Saint-Hyacinthe. The following morning Landry's body was found in a cornfield North of Montreal (Saint-Roch-de-l'Achigan). She had been sexually assaulted and stabbed 173 times. 

In 2002, 45-year-old Guy Croteau was arrested for the murder of Sophie Landry. Convicted in 2004, Croteau is not eligible for parole until 2027.