"You've plenty of courage," Paredes drawled. "I shouldn't care to watch alone in this room."
He followed Katherine into the corridor. Bobby looked at Graham.
"You'll take no chances, Hartley?"
Graham's smile wasn't pleasant.
"According to you and the dead detective there's no risk while you're out of the house. Still, I shall be nervous, but don't worry."
Bobby joined the others before they had reached the hall.
"Of course Hartley found nothing," Katherine said to him.
"Nothing," Paredes answered, "except a very bad temper."
Katherine's distaste for the man was no longer veiled.
"You don't like Mr. Graham," she said, "but he is our friend, and he is in this house to help us."