Question: The most recent serial killer documented in the book "Cold North Killers: Canadian Serial Murder" was arrested in what year?
Sentence (from "Cold North Killers: Canadian Serial Murder"): "Cold North Killer's" own definition of what constitutes a Canadian serial killer includes both Canadians who committed murder abroad (such as Keith Hunter Jesperson and Gordon Stewart Northcott) and non-Canadians who committed murder in Canada (like William Dean Christenson and Earle Nelson).
Relevant evidence: No