Mr. Parker gave her two dollars and she ran outside with it. In a moment she came back with Louise.

“Now, Penny, suppose you explain,” suggested Mr. Parker. “Has walking become an outmoded sport or are you trying to save wear and tear on rayon stockings?”

“Dad, Louise and I never went to the Rialto Theatre,” Penny said breathlessly. “We’ve been at The Green Parrot!”

The Green Parrot!

“Oh, we didn’t go alone,” Penny explained hastily as she saw disapproval written on her father’s face. “We telephoned Jerry and had him accompany us.”

“How did you learn the location of the place?”

“We heard a man give the address to a taxi driver, and followed in another cab. Dad, we saw Burt Ottman there!”

“Interesting, but it hardly proves that he is a saboteur.”

“He arrived at exactly nine-fifteen,” Penny resumed excitedly. “After talking with that man we followed, they both left the dining room, though not together. We saw Burt go downstairs and knock on a door which had a peephole.”

“Did he enter?”