A double seal, of which each possessed one, made it equally evident that the wrapper could not be tampered with.

On leaving the professor’s, Nick Carter went to his office.

His assistant, Chick, was there. Nick knew his aide had recently been doing some shadowing on the East Side, and, after greeting him, he said:

“Chick, you have been piping on the East Side of late?”

“I have.”

“Whom have you run across recently in the cracksman line?”

A number of names were mentioned, but not the one Nick wanted to hear.

He then questioned:

“Did you see Dick Maxwell on your rounds?”

“No.”