The inquiry tried to gain evidence in opposition to Armstrong, typically by asking his former teammates to testify below oath with regard to the goings-on from the 1999 U.S. Postal Provider Professional Biking Staff. USADA led the investigation into Armstrong's doping procedures. In 2012, they launched an extensive report detailing https://abcnews.go.com/US/lance-armstrong-doping-investigation-widens/story?id=13663557