“Why nights?” Randy asked. “They might be doing whatever it is they do in the daytime, too. I’m afraid we’d have to set up a twenty-four-hour watch to be sure of finding anything out.”

“I don’t think so, Randy,” Peggy argued. “If they were using the place by day, they probably wouldn’t have taken so much care with the hinges. What’s more, I’m sure the janitor was sleeping when we rang the bell, which is why he took so long in answering it. I would guess that he works at night with the rest of the gang. Besides, that neighborhood would be perfect for night work. The markets are practically deserted between six and midnight. Probably after midnight, when the markets open up, the crooks run a legitimate trucking business as a cover-up.”

“The girl’s a positive Sherlock,” Mal said fondly. “Anyway, we can try a few nights, and if nothing shows up, we can then worry about extending the watch during the daytime as well.”

“When do we start?” Tom Galen asked.

“Tomorrow night,” Peggy said. “It’s too late to start tonight. We’d want to be in the alley and under the stairs before it gets really dark. Tomorrow Amy and I will stand watch, then—”

“Oh, no, you don’t!” Randy said. “You two have done your part in this. The lookout work will be done by men!”

“You’re probably right,” Peggy said, outwardly reluctant to give in, but secretly happy that she wouldn’t have to spend nights crouching under those dark stairs and waiting for heaven only knew what.

“I’ll go tomorrow,” Pip said.

“I’ll go with you,” Tom Galen said. “We’d better go two at a time, at least for the purpose of having two witnesses to anything we see.”

“Good. Randy and I will go the next night,” Mal said. “We can alternate from there.”