facts. Just say that to him, and see what he says.”
“Very well—but it’s all extremely mysterious.”
We were running into Tadminster now, and Poirot directed the car to the “Analytical Chemist.”
Poirot hopped down briskly, and went inside. In a few minutes he was back again.
“There,” he said. “That is all my business.”
“What were you doing there?” I asked, in lively curiosity.
“I left something to be analysed.”
“Yes, but what?”
“The sample of coco I took from the saucepan in the bedroom.”
locked?” These exclamations burst from us disjointedly.
Poirot answered them categorically—almost mechanically.
“Who? That is the question. Why? Ah, if I only knew. When? Since I was here an hour ago. As to the door being locked, it is a very ordinary lock. Probably any other of the doorkeys in this passage would fit it.”