jones medals  must go if guilty  world anti-doping agency (wada) chief dick pound says marion jones should be stripped of all her medals if found guilty of taking banned substances.  victor conte  of balco laboratories  claims the american sprinter regularly used drugs to enhance her performance.  if she is found guilty she should be stripped of all her medals and banned for two years   said pound. asked if there was a timescale as to what medals could be taken  pound said:  that is not an issue at all.  however  under international olympic committee (ioc) rules  athletes can only be stripped of their medals if caught within three years of the event. jones  who won five medals at the 2000 olympics  denies using drugs and says she will take legal action over conte s allegations. balco laboratories is the firm at the centre of a wide-reaching investigation into doping in the us. pound continued:  if she has indeed taken drugs it is going to be a big disappointment for a lot of people.