armstrong, my name is jeff tillotson. >> tillotson's done something usada's been unable to do. >> i remain only attorney to have taken sworn testimony from lance armstrong and to have had him to deny under oath with the penalty of perjury that he used performance-enhancing drugs. you understand that although we're in the conference room of your lawyers, you are giving testimony as if you are in a court of law, do you understand that? >> correct. >> and that penalties of perjury attach to this deposition just like they would to a court of law proceeding? >> of course. >> did you, in fact -- >> these sworn depositions from lance armstrong and other key witnesses laid the foundation for later investigations, including usada's. and as those investigations progressed, the legend of lance armstrong began to unravel. >> on the right side of these riders. >> like most riders, lance armstrong dreamed of winning the tour de france, cycling's most prestigious race. >> lance armstrong! >> in his first tour, he won a stage. but three years later, it looked like his dream had died. in this film for his