Korchemny was one of the figures in the 2003 BALCO scandal. He was indicted on 12 February 2004, and on 29 July 2005, he pleaded guilty in US District Court to distributing illegal performance-enhancing drugs to athletes between 2000 and 2003. Korchemny was sentenced to one year of probation on 24 February 2006, avoiding potential years of jail time.
Korchemny was a key figure in the BALCO scandal that erupted in 2003. He faced indictment on February 12, 2004, and later admitted guilt in US District Court to supplying banned performance-enhancing substances to athletes between 2000 and 2003. Korchemny received a lenient sentence of probation for one year on February 24, 2006, sparing him from potential jail time.