In a lawsuit filed against Lance Armstrong on Tuesday, the Justice Department said the disgraced Tour de France winner "unjustly enriched" himself through his contract with the U.S. Postal Service. Reed Saxon/AP hide caption itoggle caption Reed Saxon/AP The Two-Way Armstrong 'Unjustly Enriched' Self, Justice Department Says April 23, 2013 The department filed a lawsuit Tuesday against the disgraced cyclist who earned millions through his sponsorship with the U.S. Postal Service. According to The Associated Press, Armstrong's attorney called the government's complaint "opportunistic and insincere."