The apartment building was the kind with no doorman and a buzzer panel that only half worked. Hunter pressed the button for Corinne's unit three times before Ren tried the building door itself and found it unlocked, propped with a folded piece of cardboard wedged into the latch. "That's not a good sign," Ren said, stepping through. They went up two flights. The apartment door was closed but not locked, and when Hunter knocked, it swung open an inch on its own. "Corinne?" Hunter called out. No answer. He pushed the door open the rest of the way. The apartment was small, sparse, and clearly abandoned in a hurry — a drawer left open, a closet with hangers still swinging slightly like someone had grabbed clothes off them fast, a laptop charger unplugged and coiled on the counter with no la

