“I dunno, Mr. Gridley, on the dead. It has slipped my mind.”

“Hang him!” cried Magill impatiently. “He’s giving us the laugh. String him up and force him to answer.”

“You keep quiet,” Gridley again commanded; then to Patsy: “Why were you told to shadow this woman? That hasn’t slipped your mind?”

“No; sure thing,” said Patsy, with a glance at Kate Crandall. “I can remember that, all right.”

“Out with it, then. Why were you told to shadow her?”

“To find out where she went,” Patsy dryly admitted.

“By Heaven, if you don’t loosen up and tell me, I’ll find a way to make you!” Gridley thundered. “Who gave you this note? To whom are you to telephone any discoveries you may[Pg 36]——”

He broke off abruptly, hit with a sudden idea, and turned sharply around to his listening confederates.

“What was the number he mentioned?” he cried. “Can you remember it?”

“Sure!” cried Blink Morgan. “Four, seven Madison!”