told she was missing, they instituted what was to become the largest manhunt in colorado history. >> there were hundreds of people in the woods literally walking hand in hand across fields and mountains. >> search teams covered more than 3,000 square miles of isolated mountain landscape but found no sign of michelle or her red station wagon. it was as if michelle had simply disappeared. then, a week after she was reported missing, there was a potential break. a local rancher told police about a german shepherd that had come down from the mountains and chased his cattle. the rancher said he shot and killed the dog. the name on the dog's collar was okie, michelle's german