A DO NOT DISTURB tag hangs on the door. The watch on Carol Mesa’s wrist reads one p.m. The fifth floor of the Belmond Hotel has nearly emptied. Checkout was at eleven, and Carol’s roster does not show the guest in the presidential suite as having late checkout. DO NOT DISTURB More than likely, the tag was an oversight, just a missed detail on the way out the door. Carol decides to call down to the front desk, just to be sure. Guests don’t appreciate being caught off guard, and she isn’t particularly fond of it either. After twenty years in hospitality, few things still surprise her, but this isn’t the point. One complaint to management can lower her star rating, and Carol prides herself on quality. Once, twice, three raps. She knocks at the door. “Housekeeping.” Carol listens for signs