Brierly nodded.
"Mr. Brierly, may I have a few words with you? I have been lately put upon this beat, sir; changed from the next lower one; and there is something you ought, for your own safety, to know. Will you walk a few steps with me? I hardly like to stop; I ought to be at the next corner right now, in fact."
Brierly looked toward the approaching cab. "The truth is," he said, "I want very much to get that cab down town; otherwise"
"Oh, I'll fix that, sir." And the officer took a step out from the curbstone and, standing under the glare of the light just above, held up his hand, and whistled shrilly. "Follow us a few steps, Johnny," he said to the driver. "You are wanted down town." Then, turning toward Brierly, "If you'll just step across the street after me, I'll tell you what you ought to know. It's a short story." And he crossed the street briskly, and paused on the opposite side to await the other.
"You see, sir," he began, as Brierly joined him, "we can walk slow for a few steps here, where all's quiet."
Brierly paused to look back. The cab was turning at the corner, and it followed them, at a snail's pace, and close behind, down the still and shady side-street. "You see, I've been noticing, for a couple of weeks, or
