I always knew that the carbon-isotope ration analysis test would be his undoing. The French Lab and the initial test were flawed, but he never really had a believable explanation as to why they found the presence of exogenous testosterone.
I was a huge fan of both Tyler and Floyd, but I find it hard to believe they didn't dope. If he did it, now he should come clean. If by chance he really is innocent, then thats really very sad.
STeve