Alright then, I digress.
However, if someone has intense schizophrenia or a delusional disorder of certain kinds, they could do things like think someone is a demon trying to get them and kill them for that reason, or they might think someone has to be burned to rid them of disease that only they can notice. In cases like this, the person has no idea of the reality of the situation.
But those people don't usually go around raping 6 year old's.