official. "Some gang is regularly stealing from the road. When, where and how it is done we have been unable to ascertain. A train will leave the city or the Junction, arrive at terminus, and some valuable package will be missing. The car seals will be all right, no one seems to have entered the car, and yet the pilfering goes on. Will you help us run down the thieves?"
"I will try," answered Ralph. "What trains seem to suffer most?"
"Always the night freights," replied the assistant superintendent. "Now, take your time, spare no expense, and go to work on this problem in your usual effective way."
Ralph devoted the remainder of the day to going up and down the road and familiarizing himself with the various freight trains and their schedules.
Just after dark he clambered into the cab of the night freight leaving the city. It was a dark, sleety night, for cold weather had just set in.
The engineer was a tried and trusty veteran in the service. Ralph felt that he understood him, and that he must trust him to a degree in order to facilitate his own programme. He waited till the fireman was busy outside on the engine, then he spoke to the old engineer.
