Rumors of Armstrong's doping began circulating in the late 1990s. Previous teammates and guidance team elevated suspicions about his utilization of banned substances. Emma O'Reilly, a masseuse for Armstrong's team, claimed she transported drugs and served include up good checks. USADA led the investigation into Armstrong's doping methods. In 2012, https://abcnews.go.com/US/lance-armstrong-doping-investigation-widens/story?id=13663557