“But now a fresh dilemma arises: he dare not keep that piece of paper on him. He may be seen leaving the room—he may be searched. If the paper is found on him, it is certain doom. Probably, at this minute, too, he hears the sounds below of Mr. Wells and John leaving the boudoir. He must act quickly. Where can he hide this terrible slip of paper? The contents of the wastepaper-basket are kept and in any case, are sure to be examined. There are no means of destroying it; and he dare not keep it. He looks round, and he sees—what do you think, mon ami ?”
I shook my head.
“In a moment, he has torn the letter into long thin strips, and rolling them up into spills he thrusts them hurriedly in amongst the other spills in the vase on the mantelpiece.”
I uttered an exclamation.
“No one would think of looking there,” Poirot continued. “And he will be able, at his leisure, to come back and destroy this solitary piece of evidence against him.”
“Then, all the time, it was in the spill vase in Mrs. Inglethorp’s bedroom, under our very noses?” I cried.
Poirot nodded.
“Yes, my friend. That is where I discovered my ‘last link,’ and I owe that very fortunate discovery to you.”
“To me?”
“Yes. Do you remember telling me that my hand shook as I was straightening the ornaments on the mantelpiece?”
“Yes, but I don’t see—”