Yvette Bourgon, 33, disappeared from Montreal on January 1, 1965, after leaving Louis-H Lafontaine Hospital (formerly St-Jean-de-Dieu). The circumstances of her departure from the hospital are unclear.

A trail of her footprints was later found in snow near the Lachine Canal in the Verdun area. Her purse was recovered near the tracks, but the wallet was missing, a detail that raised concern without providing a definitive explanation. Bourgon was described as having brown hair and brown eyes, standing about five feet six inches and weighing roughly 139 pounds, with scars on her chest.

Very little else is known about what happened after those footprints ended. Did anyone in Verdun in early 1965 see Yvette or notice her purse near the canal?