Landis, who was stripped of the 2006 Tour de France title for doping, accuses Armstrong of committing fraud against the Postal Service, which sponsored most of Armstrong's teams as the star rider used PEDs to win the Tour a record seven times.
Additionally, the Bank Secrecy Act fraud specialist has the power to make a referral to FinCen for Title 31 violations, the IRS civil division for violations of the federal tax laws, as well as the power to make referrals to the IRS Criminal Division.