This article adds to the theory Kobe and Katelyn were messing around and it went farther than she intended. Kobe is a large man. Unless these "injuries" are the bruises from hell, I can't see them "proving" the sex was not consensual. It's he said, she said & to me that is not "beyond a reasonable doubt."
Be sure to check out the comments on this one... a reader by the name of Karen makes some great points.