In November of 1992, the murder of 15-year-old Beth Brodie devastated the small town of Groveland, Mass. Killed by another teenager she knew

Part two delves into the the many warning signs given off by Shaun Ouillette's killer and how an entire town seemed to miss every single one

In Fall 1986, 14 year old Shaun Ouillette was hoping to make new friends at Canton High but an innocent after school meeting turned fatal.