assertion came from knowledge of the affair or was merely a shrewd guess. Failing to satisfy himself, he went on:
"The performance was repeated, but under conditions that made it impossible for the boy to be guilty. He was away on his vacation."
"Not shrewd of the culprit. You are certain it was some one in the office?"
"Yes; but we never discovered his identity."
"And from that time Mr. Wing began carrying these papers back and forth and keeping them in this safe."
McManus nodded.
"And the desk was never troubled again."
"How do you know?"
"Was it?"
"No."
Trafford nodded his satisfaction and proceeded to elucidate:
"When the object was removed and the watcher knew it, he would repeat the search only to cover his identity. Shrewd as he was, he either wasn't
