afterwards speak of the difficulty of bringing the murderer to justice? Was it not plain to you that I was speaking of two entirely different persons?”
“No,” I said, “it was not plain to me!”
“Then again,” continued Poirot, “at the beginning, did I not repeat to you several times that I didn’t want Mr. Inglethorp arrested now? That should have conveyed something to you.”
“Do you mean to say you suspected him as long ago as that?”
“Yes. To begin with, whoever else might benefit by Mrs. Inglethorp’s
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