Another clue had led into a blind alley, leaving the mystery of the night's affairs as impenetrable as ever.
"Some day I hope to meet the real estate agent who promised me that I would sleep here as I never slept before!" she murmured acridly.

"He's right! I've slept with my clothes on every night since I came!" As she ended, Billy darted in from the hall, his beady little black eyes gleaming with excitement, a long, wicked-looking butcher knife in his hand.
"Key, kitchen door, please!" he said, addressing his mistress.
"Key ?" said Miss Cornelia, startled.

"What for ?" For once Billy's polite little grin was absent from his countenance.
"Somebody outside trying to get in," he chattered.

"I see knob turn, so," he illustrated with the butcher knife, "and so--three times." The detective's hand went at once to his revolver.
"You're sure of that, are you ?" he said roughly to Billy.
"Sure, I sure!" "Where's that hysterical woman Lizzie ?" queried Anderson.

"She may get a bullet in her if she's not careful." "She see too.