David Alexander Snow—often referred to as the “House Hermit” and later sensationally dubbed the “Cottage Killer”—was a Canadian convicted murderer active in the early 1990s. In April 1992, he is believed to have murdered Ian and Nancy Blackburn near their cottage property in Caledon, Ontario; their bodies were discovered in the trunk of Nancy’s car after the couple vanished from a planned family gathering. An antiques dealer from Orangeville, Snow eluded capture for some time before fleeing to British Columbia, where he went on a two-week crime spree involving kidnapping, rape, robbery and other violence before being arrested by RCMP in North Vancouver on July 12, 1992. Decades later, in June 2025, authorities charged him with first‑degree murder in the 1991 death of 40‑year‑old Angelene Josephine Quesnelle near Peterborough, marking a significant development in a long‑standing cold case