of 9.79 seconds to much fanfare. Soon after being awarded the gold medal the results of his post-race drug test revealed his urine contained traces of stanozolol (a banned steroid). Johnson later admitted to doping, but he and his coach Charlie Francis still claimed he had his drink spiked at the Olympics, as Johnson was taking a different type of steroid at the time. The positive test had long-lasting effects on public perception of the sport and advanced the case for more stringent drug testing. The Canadian government launched an investigation into drugs in sport, known as the Dubin Inquiry, the following year. The 1988 Olympic men's 100 metres final has been referred to as "the dirtiest race in history", as only two of the eight finalists remained free of doping issues during their careers. Ekaterini Thanou, the 2000 women's silver medallist, was barred from the 2004 Athens Olympics after failing to attend a pre-competition drugs test (her third consecutive missed test). The Greek sprinter and her teammate Kostas Kenteris were convicted of staging a motorcycle crash to avoid the test, but this was overturned on appeal. Her doping ban remained as they admitted to having missed the tests. Tameka Williams was banned from competing in the 100 m at the 2012 Olympics when, at the Olympic village, she admitted to the Saint Kitts and Nevis management team that she had been ingesting a banned substance. Bulgaria's Tezdzhan Naimova had her 2008 Olympic performance annulled and received a two-year ban after it was proved that she had tampered with her drug test a month prior to the competition. Another high-profile doping case involved the 2000 Olympic women's 100 m champion Marion Jones, though no doping infractions occurred during the Olympics. Having been one of the stars of the games—she won three gold and two bronze medals in track and field events—Jones was later implicated in doping through the BALCO scandal. She lied to federal agents and a grand jury during questioning around the scandal, but later admitted in 2007 to using Tetrahydrogestrinone (THG) during the period of her Olympic success. The IOC annulled all her Olympic results, including her 100 m title. Given that the 2000 women's runner-up Ekaterini Thanou had herself been banned for drug usage, the IOC chose not to upgrade her to the gold medal position, but rather leave the position vacant. Working around the dilemma, the