For hundreds of thousands of tourists each year, the sandy beaches on the island of Koh Tao provide some of the best diving, relaxing, and partying Thailand has to offer. That was the goal of British tourists Hannah Witheridge and David Miller when they met one another on the island in September of 2013. However, after the pair were found murdered on Sairee Beach just outside of their hotel, numerous questions came up surrounding the involvement of police, potentially innocent people getting framed, torture, and the little-known Koh Tao Mafia pulling the strings.