"Any other known vices?"
"I know little about his vices except that they cost him considerably more than he could possibly have paid, had it not been for Sir Reginald's death."
"So the motive is plain enough. Any evidence against him?"
Simon pursed his lips and became exceedingly grave.
"When questioned next morning by the superintendent of police and myself, he led us to understand that he had retired to bed early and was in no position to hear or notice anything. I have since found that he was in the habit of sitting up late."
"'In the habit,'" repeated Carrington quickly. "But you don't suggest he sat up that night in particular?"
"Undoubtedly he sat up that night."
"But merely as he always did?"
"He might have been waiting for his chance on the previous nights."
Carrington smoked thoughtfully for a moment and then asked: