Updated at 8:20 a.m. Sunday, 9/25/2016. Police have identified the suspect in the Cascade Mall shooting as Arcan Cetin, age 20, of Oak Harbor. He was arrested after Island County Sheriff's officers spotted him walking down a road in Oak Harbor about 24 hours after opening fire at the Macy's cosmetic counter. Four female victims died at the scene. A male victim died later of his injuries at Harborview Medical Center.