“I’ve been told that it’s the wild, wild West,” Travis Tygart, the chief executive of the United States Anti-Doping Agency, said of horse racing. “It’s 1,000 times worse than anything we’ve seen because people in the sport can go out and bet on themselves. Our experience has shown that it’s impossible for anyone to both promote a sport and attempt to police the drug issue at the same time. There’s a massive conflict of interest.”

quoted from NY Times Article Found here