89-year-old at-risk man missing in Shoreline since Wednesday

Nov 14, 2025, 12:08 PM | Updated: 3:30 pm

Silver Alert Shoreline Sumner Harrison...

A photo of the Silver Alert for the missing Sumner Harrison of Shoreline, WA. (Photo courtesy of the Washington State Patrol)

(Photo courtesy of the Washington State Patrol)

BY JASON SUTICH

Content Editor

An at-risk 89-year-old man, Sumner Harrison, has been missing since Wednesday after his disappearance in Shoreline.

Harrison was last seen at approximately 12:30 p.m. in the area of N. 192nd Street in Shoreline, the Washington State Patrol (WSP) announced.

At-risk man missing near Shoreline

WSP noted Harrison is 5 feet, 8 inches tall, roughly 155 pounds, with gray hair and hazel eyes.

Harrison was last seen wearing a burgundy sweatshirt, a black jacket, black pants, black shoes, and a burgundy cap.

WSP stated that Harrison may be unable to return without assistance.

If Harrison is seen, WSP urges the public to call 911 or contact either the King County Sheriff’s Office or WSP.

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