“When you left the room after shooting Mr. Benson, you turned out the lights, of course?”

When no immediate answer came, Vance volunteered the suggestion:

“You must have done so, for Mr. Pfyfe says the house was dark when he drove up.”

Leacock then nodded an affirmative.

“That’s right. I couldn’t recollect for the moment.”

“Now that you remember the fact, just how did you turn them off?”

“I⸺” he began, and stopped. Then, finally: “At the switch.”

“And where is that switch located, Captain?”

“I can’t just recall.”

“Think a moment. Surely you can remember.”