Innocent until proven guilty is a presumption for the court and the jury. Anyone else is free to think what they want and say what they want, and there's absolutely no reason we can't - or shouldn't - draw our own conclusions. Your comment is what happens when slogans replace thought.
Well how do you know she is guilty? Have you personally investigated the crime scene and personally interviewed everyone involved? Innocent people going to jail is what happens when people like you somehow end up on a jury.