"
"Yes. Well, in this case it was the remedy and not the disease
which killed Turnbull," announced Ferguson triumphantly.
"Nonsense!" ejaculated Kent. "I happen to know that the capsules
contain only three minims - I once heard Turnbull say so."
"True, but Turnbull got a lethal dose, all right; and he thought he
was taking only the regular one. Devilishly ingenious on the part
of the criminal, wasn't it?
"Yes. Have you detected the criminal?" Kent put the question with
unmoved countenance, but with inward foreboding; the detective's
mysterious manner was puzzling.
"Not yet, but I will," Ferguson hesitated. "The first thing was to
establish that a crime had really been committed."
Kent bent down and sniffed again at the handkerchief to which a
faint fruity aroma still clung.
"How did you discover that?" he asked.
"Dr. McLane and I took the handkerchief to a laboratory and the
chemist found from the number of particles of capsules in the
handkerchief, that at least two capsules - or double the usual
dose - had been crushed by Turnbull and the fumes inhaled by him;
with fatal results.
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