The Predator: Leonard John Fraser (S02E09)

Leonard Fraser, a notorious serial killer, was believed to be responsible for the deaths of at least five women spanning 17 years, yet he carried the full extent of his criminal activities with him to his grave. Fraser was found guilty of murdering three individuals, including a nine-year-old girl, and was also charged with the manslaughter of another victim. Despite his convictions, the complete truth of his heinous acts remained shrouded in mystery.