hindrance to you in your professional career. There are many things that may hasten or retard the cooling of the body. This one was lying in the long dewy grass on the shady side of the shed. As for rigidity, if Manderson died in a struggle, or labouring under sudden emotion, his corpse might stiffen practically instantaneously; there are dozens of cases noted, particularly in cases of injury to the skull, like this one. On the other hand, the stiffening might not have begun until eight or ten hours after death. You can't hang anybody on rigor mortis nowadays, inspector, much as you may resent the limitation. No, what we can say is this. If he had been shot after the hour at which the world begins to get up and go about its business, it would have been heard, and very likely seen too. In fact, we must reason, to begin with, at any rate, on the assumption that he wasn't shot at a time when people might be awake; it isn't done in these parts. Put that time at 6.30 a.m. Manderson went up to bed at 11 p.m., and Martin sat up till 12.30. Assuming that he went to sleep at once on turning in, that leaves us something like six hours for the crime to be committed in; and that is a long time. But