Transcript for Russia Responds to Claims of Doping at 2014 Winter Olympics
Drug cocktails and bogus urine samples a doctor admits providing those and more to Russian athletes at the Sochi Olympics. Missouri run Chang cop tells a New York Times it was all part of Russia's state run Dave doping program. Precious sports minister is denying the new claims right now Russia's track team is banned from competing over doping allegations and may be banned from the Olympics in Rio.
This transcript has been automatically generated and may not be 100% accurate.