"Miss Meredith, we know you were in the automobile with the Burglar who stole the plate," The Thinking Machine went on. "You probably knew that he was wounded and possibly either aided in dressing the wound—as any woman would—or else saw him dress it himself?"
"I bound my handkerchief on it," replied the Girl. Her voice was low, almost a whisper.
"Where was the wound?"
"In the right shoulder," she replied.
"Back or front?" insisted the scientist.
"Back," she replied. "Very near the arm, an inch or so below the level of the shoulder."
Except for The Thinking Machine himself Hatch was the only person in the room to whom this statement meant anything, and he restrained a shout with difficulty.
"Now, Mr. Mallory," the scientist went on calmly, "do you happen to know Dr. Clarence Walpole?"
"I know of him, yes," replied the detective. "He is a man of considerable reputation."
"Would you believe him under oath?"