How the doping doc 'Icarus' morphed into a real life thriller

Bryan Fogel's original plan for his documentary Icarus was to investigate pervasive doping in cycling by becoming a human guinea pig. He recruited chemist Grigory Rodchenkov in Moscow to guide him. Then Rodchenkov was revealed as the architect of Russia's state-run doping program -- and he was ready to blow the whistle. Fogel helped Rodchenkov flee, and then things got really scary.