I should much like to know a good deal more about his various dealings with Kitely.

We shall see and hear more about them, however--later on.
For the present there are--other matters." He changed the subject then--to something utterly apart from the murder and its mystery.

For the one topic which filled his own mind was also the very one which he could not discuss with Bent.

Had Cotherstone, had Mallalieu anything to do with Kitely's death?
That question was beginning to engross all his attention: he thought more about it than about his schemes for a successful defence of Harborough, well knowing that his best way of proving Harborough's innocence lay in establishing another man's guilt.
"One would give a good deal," he said to himself, as he went to bed that night, "if one could get a moment's look into Cotherstone's mind--or into Mallalieu's either! For I'll swear that these two know something--possibly congratulating themselves that it will never be known to anybody else!" If Brereton could have looked into the minds of either of the partners at this particular juncture he would have found much opportunity for thought and reflection, of a curious nature.

For both were keeping a double watch--on the course of events on one hand; on each other, on the other hand.