U.S. Food and Drug Administration special agent Jeff Novitzky enters the U.S. Ninth Circuit Court of Appeals in San Francisco, California February 13, 2013. Attorneys for former MLB player Barry Bonds were in court to appeal his obstruction of justice conviction. Novitzky pursued Bonds in the BALCO steroids case. REUTERS/Robert Galbraith (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW DRUGS SOCIETY)