Rumors of Armstrong's doping began circulating inside the late 1990s. Previous teammates and assist staff members lifted suspicions about his usage of banned substances. Emma O'Reilly, a masseuse for Armstrong's staff, claimed she transported prescription drugs and assisted go over up beneficial exams. USADA led the investigation into Armstrong's doping https://abcnews.go.com/US/lance-armstrong-doping-investigation-widens/story?id=13663557