“Then the robbers are choice in their operations. They don’t make a raid on every invoice. I judge from that this lot you expect now would not be disturbed, even if there had been no discovery.”

“I quite agree with you there,” said Mr. Wilson. “They will wait till our vigilance is relaxed.”

Mr. Fitler leaned back in his chair, looking closely at Wilson as he spoke.

This intent observation of persons was a habit of his. It seemed to be called forth now by Mr. Wilson’s decided settling of how the thieves would act. His tone had been very positive.

“I guess it is very likely you are right,” said the officer, carelessly.

They were interrupted by the opening of the door, and the abrupt entrance of Will into the room.

He laid a small package on the table.

“Mr. Thompson says that’s all correct,” he said, nodding familiarly to the officer.

“Very well,” answered Mr. Leonard.

“He wants to know, what’s more, what stuff you feed your messengers on, that makes them so slippery of the tongue.”