Other riders with the era felt safe to come forward and acknowledge to doping, with mixed penalties. Immediately after months of preventing, Armstrong lastly chose to confess inside of a tv interview with Oprah Winfrey. USADA led the investigation into Armstrong's doping tactics. In 2012, they launched an extensive report https://abcnews.go.com/US/lance-armstrong-doping-investigation-widens/story?id=13663557