here is dennis murphy with "secrets of lake seminole. " >> lake seminole. an hour outside florida's state capital is deep south. fishing, hunting country with spanish moss on the oaks. in season, the duck hunters are out before dawn. and it was there in the year 2000 on a december morning, an experienced outdoorsman named mike williams went duck hunting. it was the 30-year-old hunter's sixth wedding anniversary and there'd be a stay at a romantic b&b that evening. but the morning hours were his to hunt. >> that was his outlet. that was what he enjoyed. >> the thing is, he never came back. seemed to simply vanish. his wife, denise, called around to family. it was already late afternoon when mike's brother nick got the worrying news. >> there was gonna be a search already starting over at lake seminole. so we called a friend of ours and we went together. >> mike's co-worker, christie garrett. >> mike is very skilled. i mean, he is a very skilled hunter, and we thought maybe he's had an accident. >> as a cold front moved in, a formal search began on the 30,000