"At last!" sighed the banker.
"Yes; but my first, as the charades say, is a question."
"Another!" gasped Dunlap; "when is my turn to come?"
"Just a few more," replied Sturgis, "and then your turn will come for good."
"Well, out with your questions then, if you must," said Dunlap, settling himself resignedly in his chair.
CHAPTER X.
PIECING THE EVIDENCE.
Sturgis was still busy with his diagram. He spoke without looking up from his work.
"Who besides yourself has a key to the drawer in which this revolver is kept?"