AUSTIN, Texas (KWWL) -
Lance Armstrong is facing more doping allegations just a few months after he thought he had finally put them to rest.
Federal investigators in February closed a two-year investigation without bringing criminal charges. Now, the U.S. Anti-Doping Agency has filed new doping charges that could strip the seven-time Tour de France winner of his victories in cycling's premier race.
Armstrong insists he is innocent. He calls the allegations "baseless" and "motivated by spite."
Armstrong could face a lifetime ban from the sport if he is found to have used performance-enhancing drugs. The move by the USADA immediately bans him from competing in triathlons, which he turned to after he retired from cycling last year.