“That’s true. You went to her house and sounded the walls. You examined the floor and looked closely at the ceiling.”
The fellow seemed to grow desperate.
“What if I did?” he growled.
“You lost something there.”
The man started.
“Don’t you know that a man bent on evil always leaves a clew behind?”
“That’s an old story, but they don’t always do that. In the first place, you have nothing to prove that I went to Mother Flintstone’s den. I defy you.”
One of Carter’s hands vanished into a pocket, and came out with a small card between thumb and finger.
“You left this there,” said he, coolly, displaying the bit of pasteboard.
The other fastened his eyes upon the card for a moment, and then glared at Carter.