According to a report by Gizmoso, US Marshals arrested Schlitterbahn waterslide designer John Timothy Schooley on Monday, on charges that include second-degree murder as well as reckless endangerment of a child . Schooley was the designer of the Verrückt waterslide, the world’s tallest and fastest waterslide, which was responsible for the decapitation of a 10-year-old boy in 2016.