At approximately seven o'clock in the evening on May 7, 1950, Gordon Malherbe Hillman filled an empty bottle with water, capped it, and walked into his mother's room in the pair's fifth-floor suite at Boston's luxurious Copley Plaza Hotel. He then edged up behind the semi-invalid woman and bludgeoned her to death. Hotel staff had planned to evict the two the following day after several weeks of unpaid rent. Mounting debts had finally broken the...