Those grim words were prophetic.
My companion made no attempt to communicate with the detective (or detectives) who shared our vigil; we took up a position close under the lighted study window and waited—waited.
Once, a taxi-cab laboured hideously up the steep gradient of the avenue.... It was gone. The lights at the upper windows above us became extinguished. A policeman tramped past the gateway, casually flashing his lamp in at the opening. One by one the illuminated windows in other houses visible to us became dull; then lived again as mirrors for the pallid moon. In the silence, words spoken within the study were clearly audible; and we heard some one—presumably the man who had opened the door—inquire if his services would be wanted again that night.
Smith inclined his head and hung over me in a tense attitude, in order to catch Slattin's reply.
"Yes, Burke," it came, "I want you to sit up until I return; I shall be going out shortly."
Evidently the man withdrew at that; for a complete silence followed which prevailed for fully half an hour. I sought cautiously to move my cramped limbs, unlike Smith, who seeming to have sinews of piano-wire, crouched beside me immovable, untiringly. Then loud upon the stillness, broke the strident note of the telephone bell.
I started, nervously, clutching at Smith's arm. It felt hard as iron to my grip.
"Hullo!" I heard Slattin call, "who is speaking?... Yes, yes! This is Mr. A. S.... I am to come at once?... I know where—yes!... You will meet me there?... Good!—I shall be with you in half an hour.... Good-bye!"
Distinctly I heard the creak of the revolving office-chair as Slattin rose; then Smith had me by the arm, and we were flying swiftly away from the door to take up our former post around the angle of the building. This gained—
"He's going to his death!" rapped Smith beside me; "but Carter has a cab from the Yard waiting in the nearest rank. We shall follow to see where he goes—for it is possible that Weymouth may have been thrown off the scent; then, when we are sure of his destination, we can take a hand in the game! We—"