AUSTIN, Texas -- The head of the U.S. Anti-Doping Agency lobbied Attorney General Eric Holder for the Justice Department to join a whistle-blower lawsuit against Lance Armstrong on the same day the cyclist confessed in an interview to performance-enhancing drug use.

USADA chief executive Travis Tygart wrote Holder on Jan. 14, urging him to join the civil case and telling Holder that "fraud and other crimes were committed" by Armstrong and other members of his former U.S. Postal Service teams.

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