Campbell lifted his eyebrows. “Now, that’s something.” He made a note on a pad. “I was goin’ to ask about that. We found a big outfit in his rooms.”

Sadie nodded. “When he wasn’t working he used to make me set out the tracks and he’d spend hours playing with the trains.”

“Anything else?”

Sadie shook her head. “No. Just the trains.”

“Did he smoke or drink heavily?”

Again Sadie shook her head. “Just average, I think.”

“You’ve been through a pretty tough time, Mrs. Perminger,” Campbell said quietly. “I hate to remind you of some things, but every little help you can give us will make our task less difficult.”

Sadie said tonelessly, “I understand.”

Taking from his desk drawer a thick portfolio, Campbell selected a large batch of pictures. “Here are photos of girls who have been reported missing during the last three months. I want to see if you can identify any of them. You were in one of the houses for some time and there is a chance that you saw some of them.”

Sadie took the batch and went through them slowly. Campbell watched her thoughtfully. It seemed incredible to him that she should be so cold and calm after what she had been through.