A few days later, Fred came by the house to report his findings. Emily could tell by the regretful look on his face that he had not found anything good. Usually Fred was excited when he was on the tail of a suspect.

“Would you like a drink?” she asked politely.

“No, thank you,” he said, “I won’t stay long. I’m afraid there’s nothing definite pointing to any one of your former enemies.” He put down a folder on the coffee table. “The reports are in ...