u.s. coach, called the performance suspicious and, quote, not right. the ioc spokesman mark adam says the top five finishers of every event are tested to ensure clean wins. ye was no different. suffice to say in this case pure rumors, nothing at all of fact or substance and i have heard no word at all from our drugs testing people so i think people should really sit back and enjoy a great performance. the world antidoping agency and the ioc keep a very close eye on drug use. athletes can be tested any time during the games and their samples are sent to this lab. it s in east london. it s kept open 24 hours a day during the olympics. it has a staff of 150 scientists. so with all the intense scrutiny, can you still game the system? victor conti says yes. after all, he did. he helped top athletes obtain steroids and went to prison for it. he says it s just as easy today as it was ten years ago. he now advocates for a clean competition. welcome to the program. really apprecia