"Where else would they be?"
"Some one might have stolen them previously, and left the case there to avert suspicion."
Kitty shook her head.
"Impossible. The case is also gone besides, I locked the case on Saturday night, and had the key with me. No other key could have opened it, and had the case been forced, I would have seen it at once. See," lifting up her arm, "I always wear this bracelet, and the key is attached to it by a chain."
Naball glanced carelessly at it, and went on with his questions.
"You generally kept the diamonds in the safe?"
"Yes."
"And it was quite an oversight not placing them in there on Saturday?"
"Quite."
"No one knew they were in the drawer of your looking-glass on that particular night?"