Russell Maurice Johnson, also known as The Bedroom Strangler, is a Canadian serial killer and rapist who was convicted of raping and murdering at least three women in London and Guelph in the 1970s, although the total number of victims later turned out to be higher. https://en.m.wikipedia.org/wiki/Russell_Maurice_Johnson, https://canadiancrimeopedia.com/canadian_murderers/johnson-russell/, https://serialdispatches.com/johnson-russell-maurice/