The body of a 19-year-old man from Yelm, Thurston County, was found in Lake Washington on Thursday, two weeks after he went missing off a boat during Seafair, police say.
The man was found 150 feet underwater in Lake Washington after investigators tracked his cellphone, then used side-scan sonar and a remotely operated vehicle during the search, Mercer Island police said.
He was declared missing July 31 when police say he might have fallen off the back of a boat after spending the day on the water, watching the Seafair air show and hydroplane races…