(a) The knife and the coil of rope.
(b) Our belief that he uses the car, clandestinely, at night.
(c) At least an indication that he set the fire under the boat-house.
(d) The cipher, found in my garage.
(e) The note-book, in the same cipher. A man does not record his thoughts in this manner, unless he wishes to keep them hidden.
(f) The linen strips muffling the oar-locks, and suggested to Halliday today by his place of concealment. The inventory of the main house shows a certain number of linen sheets. If one is missing it will prove a strong factor in connecting him with the boat.
(g) The locking of his bedroom.
(h) Last and not least, an unpleasant personality. Halliday uses the word “degenerate,” but I am not prepared to go so far.
As against all this, however, we have:
(a) T
