"She slept alone in her room that night?"
"Yes, Monsieur."
"That was her rule?"
"Yes."
"I understand Madame Harlowe's heart had given her trouble for some time."
"She had been an invalid for three years."
"And there was a trained nurse always in the house?"
"Yes."
Hanaud nodded.
"Now tell me, Mademoiselle, where did this nurse sleep? Next door to Madame?"