For more than five years, the delivery route had followed the same quiet pattern, and one small house near the end of the street always felt different from the rest. Daniel had stopped at number 912 so many times that he no longer thought of it as work. The porch belonged to 92-year-old Margaret and her husband, Harold, who had turned 94 earlier that year. Conversations were short but familiar, and the stop always ended with a smile. That afternoon felt wrong before the engine even shut off. Mar