on page 752, holmes j.a. explains the legal position as follows. i quote, nowadays, criminal liability is not regarded as attaching to an act or a consequence unless it was attended by mens rea. accordingly, if a assaults b, and in consequence b dies, a is not criminally responsible for his death unless, a, he foresaw the possibility of resultant's death yet persisted in his deed, regardless whether death ensured or not. or he ought to have seen the reasonable possibility of resultant's death. in a, the mens rea is the type of intent, and the crime is murder. in b, the mens rea -- and the crime is culpable homicide, closed quote. my view is that we are here not dealing with -- it would tlefr serve no purpose to say anything else about it. we are clearly dealing with error in persona in that the blow was meant for the person behind the toilet door who the accused believed was an intruder. the blow struck and killed the person behind the door. the fact that the person behind the door turned out to be the deceased and not an intruder is irrelevant. th