Chapter 7
THE MESSENGER OF THE FOURThere was yet another missive to be handed to the doomed
Minister. In the last he had received there had occurred the
sentence: One more warning you shall receive, and so that we
may be assured it shall not go astray, our next and last message
shall be delivered into your hands by one of us in person.
This passage afforded the police more comfort than had any
episode since the beginning of the scare. They placed a curious
faith in the honesty of the Four Men; they recognised that these
were not ordinary criminals and that their pledge was inviolable.
Indeed, had they thought otherwise the elaborate precautions that
they were taking to ensure the safety of Sir Philip would not have
been made. The honesty of the Four was their most terrible
cha
