Snohomish County Sheriff's Office via Facebook Snohomish County Sheriff's Office via Facebook loading...Washington State Patrol and Snohomish County Sheriff's Office are asking for your assistance to locate an at-risk missing person. According to the Snohomish County Sheriff's Office:Riche is from the Bothell area but is able to ride public transit and often frequents Kenmore and Seattle. READ MORE: Measles Outbreak Raises Concerns in Washington State schoolsHe Is Approximately 5’6”, Weighs About 180 lbs, and Has Black Hair and Brown Eyes. The Washington State Patrol has activated an Endangered Missing Person AlertGet our free mobile app81 Missing Children From Washington. Please take a look at these missing children images.