A Los Angeles grandmother was stabbed to death along with her dog while out on a walk in broad daylight Thursday afternoon, and the alleged perpetrator was reportedly stopped from hurting others when another would-be victim chucked a rock at the suspect's face and knocked him out. What are the details? Jeanne Edgar, 66, was walking her dog near San Dimas Park at around 1:30 p.m., when a man who appeared to be in his 20s stabbed her and her pet to death. "The suspect grabbed the female victim's dog by the leash and yanked it free of her grasp,"...