CBS News reported Sunday that whistle-blower Vitaly Stepanov has tapes of the former head of Russia's drug testing laboratory telling him that at least four Russian gold medalists at the 2014 Winter Olympic Games in Sochi were using steroids.
Stepanov Gianluigi Buffon Jersey , who previously worked for Russia's anti-doping agency and is now living in the US, told investigative program 60 Minutes that Grigory Rodchenkov informed him in over 15 hours of taped conversations he had evidence of a Sochi Games testing coverup, which included the use of Russian -intelligence agents.
Reuters was unable to -independently confirm the disclosures in the 60 Minutes report.
In an interview aired Sunday, Stepanov said Rodchenkov told him "that FSB [Federal Security Service of the Russian Federation] agents worked as doping controls officers during the Sochi Games Federico Bernardeschi Jersey , that FSB tried to control every single step of the anti-doping process in Sochi."
CBS said it had listened to all 15 hours of tape and that at one point, Rodchenkov told -Stepanov he was in possession of what he called "the Sochi list" of four Russian gold medal winners who were doping.
Neither Rodchenkov nor Stepanov were immediately available for comment.
World Anti-Doping Agency (WADA) spokesman Ben -Nichols said the allegations about use of Russian intelligence in a doping coverup and that four gold Sochi gold medallists were doping were "very disturbing."
"WADA has watched the CBS 60 Minutes program, which revealed new and very disturbing allegations regarding Russian doping in sport. We will look into these without delay," Nichols told Reuters in an e-mail.
Russia is already banned from all track and field competitions Fabrizio Caligara Jersey , including August's Rio Olympic Games, after an -independent WADA commission in November revealed widespread state-sponsored doping.
Its athletes will be allowed to return to competition when Russia can prove that it has met several conditions regarding its anti-doping operation, WADA and the International Association of Athletics Federations have said.
" The Euro 2020 logo and Henri Delaunay Trophy Photo: CFP