Did you know the 2016 film Hounds of Love was based off real serial killers Catherine and David Birnie? The Bonnie and Clyde of Australia made a name for themselves when they abducted and murdered 4 young women in Australia in 1986. David growing up in a dysfunctional family with rumors of alcoholism and incest became a sex addict demanding sex 6 times a day, when his wife couldn't satisfy him, he found other ways.