I don't know that's always true. Just an example...
William Roache got charged with several counts of sexual assault and rape. One of his accusors had to retract her statement because she realised in court she meant Peter Adamson who played Len Fairclough and not Bill Roache. You'd think it would be pretty basic police work to check she was accusing the right man.
Another of his accusers stated in court that she actually couldn't remember if she'd been assaulted or not.
Everyone is entitled to due process.