They are not similar at all. But there is an important clue there.
Find the writer of that note who has heart trouble, and we either
have the murderer or some one close to the murderer."

I remembered the tremulousness of the little beauty-doctor, his
third-rate artificial acting of fear for the reputation of the
Novella, and I must confess I agreed with O'Connor and Collins
that it looked black for him. At one time I had suspected Collins
himself, but now I could see perfectly why he had not concealed
his anxiety to hush up his connection with the case, while at the
same time his instinct as a lawyer, and I had almost added, lover,
told him that justice must be done. I saw at once how, accustomed
as he was to weigh evidence, he had immediately seen the
justification for O'Connor's arrest of the Millefleurs.

"More than that," added Kennedy, after examining the fibres of the
paper under a microscope, "all these notes are written on the same
kind of paper. That first torn note to Miss Blaisdell was written
right in the Novella and left so as to seem to have been sent in
from outside."

It was early the following morning when Kennedy roused me with the
remark: "I think I'll go up to the hospital. Do you want to come
along? We'll stop for Barron on the way. There is a little
experiment I want to try on that girl up there."

When we arrived, the nurse in charge of the ward told us that her
patient had passed a fairly good night, but that now that the
influence of the drug had worn off she was again restless and
still repeating the words that she had said over and over before.