His body was spotted by a passerby about 7 a.m. near the 2600 block of Russell Way, close to Highway 99, officials said. A bicycle was found nearby.
Hymas' cause of death remains under investigation by the Snohomish County Medical Examiner's Office.
His death also is being investigated by the Snohomish County Sheriff's Office.
Detectives don't suspect foul play.
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