The family of a Georgia man who had Alzheimers and was shot dead in the middle of the night as he knocked on the door of a house, have spoken of their heartbreak that the person who carried out the shooting will not face criminal charges. Joe Hendrix, 35, fatally shot 72-year-old Ronald Westbrook on November 27 last year. The elderly man had slipped from his home as early as 1 a.m. and wandered in the cold and dark for hours until randomly approaching the home of Hendrix's fiancee on a rural cul-de-sac, repeatedly knocking on the door and ringing...