Chapter 25
SCORE ONE FOR THE MYSTERY WIZARD

Grover stood up. His eyes were bright with some inner fire as he walked forward, turned and faced his attentive audience.

“You have overlooked a number of points shown in that picture,” began the laboratory Chief.

“In the first place, assuming that a shot had been fired, you see that there is no inkwell on the desk and that the picture of my sister has been knocked over or has fallen over.”

“You mean, the shot was fired from another direction, and not by the man whose back is turned.” The detective spoke.

“Can you see any other explanation for the disclosed conditions?”

“The inkwell was in a pool of ink on the floor when I got here,” said Roger, excitedly, “and the picture of Auntie was on its face.”

“The shot was fired from a gun behind Astrovox,” said Potts.

“No,” Grover corrected him, “because the smoke is closer to the other man than to Astrovox. In fact, it is up around his side of the desk.”

“But his hands——”