Photo Source: PxHere “Help! Murder!” Margaret boomed. The supermarket tills stopped beeping. An eerie silence descended. One face peeked around a display cabinet full of cut-price biscuits. The deputy manager’s lips protruded like a gasping goldfish. “You took your time,” Margaret declared, “I could’ve been hacked to pieces right here. How would that look in your staff magazine? Never mind, false alarm. Go back to sleep.” Margaret passed through the...