In an interview with Oprah Winfrey taped Monday, Lance Armstrong confessed using performance-enhancing drugs to win the Tour de France.
USADA's report accuses Armstrong of depending on performance-enhancing drugs to fuel all of his seven straight Tour titles.
Seven-time Tour de France champion Lance Armstrong has always denied doping allegations. On Friday, US prosecutors said they couldn't make a case stick.
Lance Armstrong was gratified to learn that the investigation into his alleged doping has been closed.