He could have done it and he would be a piece of shit for it. She could be lying and she would be a piece of shit for it.
There’s just no way of proving it or even taking sides with such little evidence so far. But I’ll say, if she is telling the truth, it is extremely brave to come forth and stand up for herself. Especially considering how much of a boys club the skate industry is and how it appears that most of the people inside have the maturity of a 19 year old.