Handler of world-famous dog is charged with planting evidence OSCODA -- After midnight on an unusually muggy April night, a small-town cop opened his eyes in the dark and blinked up at the ceiling from his bed. Mark David couldn't shut off his brain. If what he suspected were true, it would wreck a 20-year murder investigation -- and cast doubt on countless other murder cases around the country. It would also mean that Sandra Anderson, the world's most famous handler of the world's most famous cadaver-sniffing dog, had betrayed the trust of law enforcement agencies and many others from...