Advanced screening strategies continue to be formulated to detect new doping substances and methods. This makes an ongoing arms race among dopers and anti-doping authorities. USADA led the investigation into Armstrong's doping practices. In 2012, they produced a comprehensive report detailing evidence of Armstrong's violations. The company charged Armstrong with https://abcnews.go.com/US/lance-armstrong-doping-investigation-widens/story?id=13663557