SNOHOMISH COUNTY, Wash. – Today, Detectives from the Snohomish County Sheriff’s Office have identified a suspect for the 1990 murder of 17-year-old Michelle Koski. Her body was found on August 25, 1990, by a woman walking her dog at Highway 522 and Echo Lake Road in Snohomish. The suspect, Robert A. Brooks, was identified through investigative genetic … Continue reading Snohomish County Detectives cracked 30-year murder case of Michelle Koski