Jeff Novitzky is an agent for the Food and Drug Administration investigating the use of steroids in professional sports. Before April 2008 he was a special agent for the Internal Revenue Service who investigated the use of steroids for over five years. His investigations have concerned Marion Jones, Tim Montgomery, Victor Conte, Dana Stubblefield, Tammy Thomas, Melky Cabrera, Trevor Graham, Roger Clemens, Barry Bonds, Bay Area Laboratory Co-operative, Kirk Radomski, Bill Romanowski, Justin Gatlin, Jose Canseco,Floyd Landis, Tyler Hamilton and Lance Armstrong.
On May 20, 2010, the New York Daily News reported that Novitzky was involved in an investigation into performance enhancing drug use on Lance Armstrong's Tour de France teams, and that Armstrong's former teammate Floyd Landis was cooperating with the investigation. Previously, Marion Jones, a track and field Olympian winner, pleaded guilty in October 2007 to making false statements to Novitzky. Novitzky was also able to convince Kirk Radomski, a former New York Mets club house worker, to become a government informer. Radomski has now been convicted of distributing anabolic steroids to over a dozen Major League Baseball players.