“It began as an amateur cyclist’s experiment. Filmmaker Bryan Fogel wanted to learn the ins and outs of doping by using performance-enhancing drugs himself, and so he sought out the advice of high-level anti-doping officials on how to do so. But through his correspondence with Grigory Rochenkov, the former head of Russia’s Olympic anti-doping lab, Fogel soon found himself ensnared in one of the biggest drug scandals in international sports history. “
