Cheerleading tryouts at this junior high school become deadly once a mom hires a hitman to literally "knock out" the competition. What's a couple of dead people when your daughter has the chance to be a cheerleader? We also cover the story of the Blood Countess. One of the most prolific female serial killers who has claimed the lives of over 600 victims. She believed the secret to youth was to take baths... full of blood. Blood baths.