It is your duty to deal with the facts of the case, and if you think that Ronald committed this murder----" "If I think that Ronald committed this murder!" Superintendent Galloway's interruption was both amazed and indignant.

"I'm as certain he committed the murder as if I saw him do it with my own eyes.

Did you, or anybody else, ever see a clearer case ?" "It is because the circumstantial evidence against him is so strong that I speak as I do," continued Colwyn, in the same earnest tones.

"Innocent men have been hanged in England before now on circumstantial evidence.
It is for that very reason that we should guard ourselves against the tendency to accept the circumstantial evidence against him as proof of his guilt, instead of examining all the facts with an open mind.

We are the investigators of the circumstances: it is not for us to prejudge.
That is the worst of circumstantial evidence: it tends to prejudgment, and sometimes to the ignoring of circumstances and facts which might tell in favour of the suspect, if they were examined with a more impartial eye.