Armstrong will co-operate

QMI Agency

, Last Updated: 4:53 PM ET

Seven-time Tour de France winner Lance Armstrong will co-operate with federal investigators probing alleged doping fraud by his former cycling team.

Armstrong said Wednesday he will participate in a federal investigation into the US Postal team provided it does not turn into a "witch hunt."

The investigation of systematic doping practices by US Postal were levelled by former team member Floyd Landis, who was stripped of his win in the 2006 Tour de France after testing positive for testosterone. Although Landis spent millions of dollars trying to clear his name, he finally confessed to doping earlier this year.

Landis also claimed that Armstrong and other US Postal riders were involved in doping. Armstrong, who has never tested positive during his storied career, denies the allegations.

The New York Times reported Tuesday that American authorities have issued grand jury subpoenas to potential witnesses, a move that indicates Landis's allegations are being taken seriously.

"Like I said, as long as we have a legitimate and credible and fair investigation, we'll be happy to cooperate, but I'm not going to participate in any kind of witch hunt," Armstrong said in reaction to the report. "I've done too many good things for too many people."

Armstrong questioned the credibility of his former teammate, indicating that Landis had lied about his involvement in doping for four years before admitting his guilt.

"Would the American people feel like this is a good use of their tax dollars?" said Armstrong. "That's for them to decide. I don't think the government will build a case on Floyd Landis.

"His credibility left a long time ago."

Armstrong, a cancer survivor, has been dogged by accusations of doping throughout his career. He has been consistent in his denial of doping.

"As long as I live I will deny that," he said. "There is absolutely no way I forced people, encouraged people, told people, helped people, facilitated ... Absolutely not. 100%."

Armstrong is participating in what he says is his final Tour de France.

After a series of crashes earlier this week, he is in 31st place after 10 stages and effectively out of contention for an eighth yellow jersey.


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