Page:The Greene Murder Case (1928).pdf/389

 and unnatural. "This thing begins to sound more like a fantastic nightmare than a reality."

"Not only was it a reality, Markham," said Vance gravely, "but it was an actual duplication of reality. It had all been done before and duly recorded in Gross's treatise, with names, dates, and details."

"Hell! No wonder we couldn't find the gun." Heath spoke with awed disgust. "And what about the footprints, Mr. Vance? I suppose she faked 'em all."

"Yes, Sergeant—with Gross's minute instructions and the footprint forgeries of many famous criminals to guide her, she faked them. As soon as it had stopped snowing that night, she slipped down-stairs, put on a pair of Chester's discarded galoshes, and walked to the front gate and back. Then she hid the galoshes in the library."

Vance turned once more to Gross's manual.

"There's everything here that one could possibly want to know about the making and detection of footprints, and—what is more to the point—about the manufacturing of footprints in shoes too large for one's feet.—Let me translate a short passage:  ' The criminal may intend to cast suspicion upon another person, especially if he foresees that suspicion may fall upon himself. In this case he produces clear footprints which, so to speak, leap to the eyes, by wearing shoes which differ essentially from his own. One may often in this way, as has been proved by numerous experiments, produce footprints which deceive perfectly. '  . . . And here at the end of the