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FILE - This June 26, 2001, file photo shows Lance Armstrong fighting his way up the hill in Crans-Montana, Switzerland, during the 8th stage mountain time trial of the Tour de Suisse. The director of the Swiss anti-doping laboratory informed federal authorities last fall that Armstrong's test results from the 2001 Tour de Suisse were "suspicious" and "consistent with EPO use," The Associated Press has learned. Martial Saugy made the statement in September, according to a person familiar with the investigation, who spoke on condition of anonymity because he was not authorized to speak publicly about the case. (AP Photo/Keystone, Allesandro della Valle, File)

FILE - This June 26, 2001, file photo shows Lance Armstrong fighting his way up the hill in Crans-Montana, Switzerland, during the 8th stage mountain time trial of the Tour de Suisse. The director of the Swiss anti-doping laboratory informed federal authorities last fall that Armstrong's test results from the 2001 Tour de Suisse were "suspicious" and "consistent with EPO use," The Associated Press has learned. Martial Saugy made the statement in September, according to a person familiar with the investigation, who spoke on condition of anonymity because he was not authorized to speak publicly about the case.

Feds won't charge Armstrong with doping

January 1, 1970

Federal prosecutors closed their investigation of Lance Armstrong without charging him over allegations he used performance-enhancing drugs Feb. 3, ending a nearly two-year effort aimed at examining whether a doping program was created to keep the seven-time Tour de France winner and his teammates running at the head of the pack.