"Almost immediately. The prisoner was waiting for me in the outer office—"
"Never mind where the prisoner was; confine your answers to what is asked. Did you take the keys with you?"
"Yes."
"When did you next open the safe?"
"On the following morning at ten o'clock."
"Was the safe locked or unlocked when you arrived?"
"It was locked. I unlocked it."
"Did you notice anything unusual about the safe?"
"No."
"Had the keys left your custody in the interval?"