It wasn’t glamorous, but desperate humans took any job to help pay for survival. Trey learned early when the day boss paid cash, he wasn’t paying you to ask questions. Today’s assignment promised a hefty bonus upon successful completion of eight hours spent sitting in a black panel van. His instructions were to call to report any changes.

Trey watched a deserted alleyway, struggling to stay awake. A low-frequency hum made him twist in his seat as he tried to locate the source. It ...