Over 60 percent of athletes taking part in the London Olympics had taken performance enhancing drugs according to Victor Conte.

The 62-year-old claimed to have been given the names of three top athletes who are 'using the Dwain Chambers protocol', a reference to the cocktail of seven drugs he gave to the British sprinter.
Conte claimed the drug testing at the London Games is inappropriate, and believes the organizers are not well equipped to catch athletes using various kinds of performance-enhancing drugs.
"It is basically propaganda to come out and say. 'This is the most expensively tested Games ever and we're doing 6,000 tests'," The Sun quoted Conte, as saying.
"If you test positive at the Olympics that is more of an IQ test. Athletes won't do that. You have to put your hook and line in the water when the fish are biting and that was nine months ago. Is it easy to use drug and benefit during Olympics? Yes,' he added.
However, top figures from the Games have mocked Conte's claims, saying a person of his notorious reputation shouldn't be believed.
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Source-ANI