wada sets the rules for all of them. ben nichols is wada's spokesman. ben nichols: so, we oversee testing, we oversee the list of banned substances and methods. sam: but some question wada's impact. travis tygart, ceo of the us anti-doping agency, or usada, told usa today, quote, "whether wada is going to relegate itself to another toothless bureaucracy or are we actually gonna fight this battle for clean athletes to win it, that's the question before us right now." and it's a question wada knows comes back to playing fair. ben: so, they're all meant to be carrying out anti-doping without influence from other bodies, from their governments. ben jacques-maynes: there's a big conflict of interest, and that can lead to a lot of problems, which are now coming to light with russian athletics. sam: ben jacques-maynes grew up riding bikes in berkeley, and became a pro cyclist by age 20. he played clean, and he's proud of that fact. now, jacques-maynes is retired, and he advocates against doping in sports. ben: i still beat dopers at my best, and i did it clean

wada sets the rules for all of them. ben nichols is wada's spokesman. ben nichols: so, we oversee testing, we oversee the list of banned substances and methods. sam: but some question wada's impact. travis tygart, ceo of the us anti-doping agency, or usada, told usa today, quote, "whether wada is going to relegate itself to another toothless bureaucracy or are we actually gonna fight this battle for clean athletes to win it, that's the question before us right now." and it's a question wada knows comes back to playing fair. ben: so, they're all meant to be carrying out anti-doping without influence from other bodies, from their governments. ben jacques-maynes: there's a big conflict of interest, and that can lead to a lot of problems, which are now coming to light with russian athletics. sam: ben jacques-maynes grew up riding bikes in berkeley, and became a pro cyclist by age 20. he played clean, and he's proud of that fact. now, jacques-maynes is retired, and he advocates against doping in sports. ben: i still beat dopers at my best, and i did it clean

agency, or wada, found evidence of systemic use of performance-enhancing drugs. well, in a "60 minutes" investigation, armen keteyian reports the whistleblowers who first uncomped the cheating have found that four gold medals from the 2014 winter games were won by russians on steroids. >> reporter: when it came to doping in russia, nobody was more powerful than grigory rodchenkov. he ran its drug testing lab, and had the ability to make the wada report called him the , rodchenkov has been sharing what he told me what did. we could-- we could only see this much, but what was happening with cover-ups, it's like this. >> reporter: rodchenkov, who ran the drug testing lab in sochi, bragged he was in possession of what "the list, the russian intellige officers, and the sochi lab?w e anti-doping process in sochi. >> pelley: you can see armen's investigation this sunday on "60 minutes." britain's prince harry shares his inspirationor invictus games. he's next. got double miles on stuff you bought from that airline? i'm bushed! i've been on my feel alyea me too. excuse

the wada report called him the heart of russian doping.wake of the scandal, rodchenkov was fired by the kremlin and has since taken refuge in the u.s., for fear of his own safety because of how much he knows. over the last few months, rodchenkov has been sharing what he knows with vitaly stepanov. what he doesn't know is that stepanov has recorded 15 hours of their conversations. what rodchenkov has revealed threatens the credibility of the results at the 2014 winter games in sochi, russia. >> vitaly stepanov: he told me what i and yulia did, we could only see this much. but what was happening with cover-ups, it's like this. >> keteyian: rodchenkov, who ran the drug testing lab in sochi, bragged he was in possession of what he called "the sochi list," the russians who competed dirty at the games. he also said the russian equivalent of the f.b.i., the f.s.b., was directly involved. what did he tell you about the f.s.b., the russian intelligence officers and the sochi lab? >> vitaly stepanov: that some f.s.b. agents worked as doping control

he confirmed a lot of what the wada report had said broadly. the wada report said at the olympic laboratory in sochi in 2014 there had been a police presence, the f.s.b. officers, the russian police had been present and on site in the laboratory. some had been seen in lab coat. he provided details that some of those agents he worked with every night to substitute out the tainted urine of tom athletes expected to medal at the games. he said the sports ministry executed the orders to win at any cost. >> woodruff: why is mr. rodchenkov coming forward? why is he talking? >> ahead of the summer games in rio, which are in three months, mr. rodchenkov said he wants it known that there is state-sponsored doping in russia, that a lot of these athletes who are due to compete in rio, he said, without providing names of those competing in the summer games, that they have been on his three-drug cocktail in year past. and, meanwhile, track and field athletes, russia's track and field athletes were suspended from global competition in the wake of the report l

the wada report called him the heart of russian doping. in the wake of the scandal, rodchenkov was fired by the kremlin and has since taken refuge in the u.s. for fear of his own safety because of how much he knows. over the last few months, shdchenkov has been sharing what pa knows with vitaly stepanov. that he doesn't know is that stepanov has recorded 15 hours of their conversations. what rodchenkov has revealed threatens the credibility of the results at the 2014 winter games in sochi, russia. >> he told me what i knew they did. we could-- we could only see this much, but what was happening with cover-ups, it's like this. >> reporter: rodchenkov, who ran the drug testing lab in sochi, bragged he was in possession of what he called "the sochi list," the russians who competed dirty at the games. he also said the russian equivalent of the f.b.i., the f.s.b., was directly involved. what did he tell you about the f.s.b., the russian intelligence officers, and the sochi lab? >> that some f.s.b. agents worked as doping control officers during

wada. and then -- and i collected hundreds of testimonies. and as i got to know the story more of what was happening beneath the atomic bomb and in the years as it followed, i knew that there were other kinds of stories i needed in order to at least give some representation of, you know, five people doesn't represent the experiences of hundreds of thousands of people. but i was trying to get a family story, and i was trying to get a younger, mr. yoshida, the final one, was the youngest. he was 13. and mrs. nagano had an amazing story of her family, what happened to her and her family in the aftermath of the bombing. >> now, i know you run a theater and you have other things to do, but 13 years, that's a pretty long time. you're almost on the robert caro plan. [laughter] >> thank you. >> how many trips -- because it was a big project. >> twelve years. bad enough with 12, let's not -- [laughter] >> how many trips did you take to japan. >> >> talk to my editor. [laughter] >> and that is a very, very difficult thing to do, to research something i