Investigators believe that Lance Armstrong might have lied in his highly anticipated interview with Oprah Winfrey during which he admitted to using banned substances, ABC News reported Friday.How Lance Armstrong’s Oprah Confession Could Lead to His Bankruptcy (AnalysiIn part one of the interview, which aired Thursday night on OWN, the retired cyclist told Winfrey that he used EPO, testosterone and human growth hormone as well as blood doping or blood transfusions to enhance his performance. The admission came after years of denials and after Armstrong was stripped of his seven Tour de France titles and an Olympics bronze medal. Read more below! gametimegirl