Paul Kenneth Bernardo, also known as Paul Jason Teale, is a Canadian serial rapist and serial killer dubbed the Scarborough Rapist and Schoolgirl Killer. He initially committed a series of rapes in Scarborough, Ontario, a district of Toronto, between 1986 and 1990, before meeting Karla Homolka, with whom he committed rape leading to the death of her sister Tammy, followed by two murders in 1991 and 1992.