The United States Anti-Doping Agency (USADA) will push ahead with efforts to clean up cycling without help from Lance Armstrong after the disgraced cyclist rejected another deadline to meet anti-doping investigators by Wednesday.

Armstrong’s lawyer Tim Herman said that the former cyclist still had “issues” with USADA, who had exposed him as drug cheat and led to him being stripped of his seven Tour de France titles.

In a two-part TV interview with Oprah Winfrey, Armstrong admitted to using performance-enhancing drugs throughout his career.

Following his admission, USADA offered Armstrong an opportunity to come forward and tell what he knows about doping.

The anti-doping agency had provided Armstrong with a deadline of Feb. 6 but on the cyclist’s request extended that offer until Wednesday.

“Over the last few weeks he has led us to believe that he wanted to come in and assist USADA, but was worried of potential criminal and civil liability if he did so,” USADA CEO Travis Tygart said.

“Today we learned from the media that Mr Armstrong is choosing not to come in and be truthful and that he will not take the opportunity to work toward righting his wrongs in sport.”

Tygart said the anti-doping agencies were determined to rid the sport of doping with or without Armstrong’s help.

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