I spent the last two years of medical school living in a dorm. There was a common room on each floor where a community refrigerator was located. Students who did not own a minifridge in their dorm rooms would put their perishables in the fridge. Everyone knew to put their names on the foods to avoid confusion.
One summer, lunches and dinners in the fridge began to mysteriously disappear. At first, we refused to believe there was a thief among us. Signs were prominently posted by the fridge for the dorm dwellers to check the names on the food items before taking them.
Foods continued to vanish. The thief proved to be cunning. There were no eyewitnesses, and no one showed any suspicious behaviors. Read the full story here ▶