Oh, they had lots and lots of proof and witnesses.. If this was a criminal trial Lance would be going away for a long time.
That said in a sport where one has to ride up hills and mountains and ride for miles and hours and push your body to the absolute limit I don't see how anyone can do that without PED.. When he was active and racing I was sure he was using drugs, but then I thought in that damn sport they all probably did..
But I guess he was threaten people and team mates, and doing all sorts of nasty things.. So that didn't help him out any.