The boys looked down at the tracks below the embankment with renewed interest, by virtue of the railway’s association with the notorious criminal. Mention of Jackley’s name revived recollections of the Tower Mansion case, and when the boys finally decided to stop in the shade of a little grove of trees beside the road for lunch, they reviewed every incident of the mysterious affair.

“It would have been better for everyone if Jackley had stayed with the railway,” Frank observed, as he bit into a thick roastbeef sandwich.

“He sure caused a lot of trouble before he died.”

“And he has caused even more since, by the looks of things. The Robinsons will remember his name for a long time to come.”

“I wonder if Mr. Robinson really was in league with him, Frank?”