The search continues for a missing boater on Lake Cumberland.
Dogs are now looking for 37-year-old Mark Sawyers who’s been missing since a boating accident on June 30, 2007, in Russell County.
Rescue workers said the dogs can sense oils that rise to the surface from a body that’s underwater.
The dogs did pick up some scents, but officials said a body wasn’t found.
More crews were expected to join the search on night of July 4, when there is less boat traffic.
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