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@WCSOOregon
On Tuesday, April 27, 2021, at 6:23 p.m., Washington County Sheriff’s Office deputies serving the City of Cornelius stopped a known stolen vehicle, a 1999 Acura TL, near the intersection of S Beech Street and S 20th Avenue. After stopping the vehicle, deputies detained the four occupants, including the driver, 34-year-old Robert Larsen.
While searching the vehicle, deputies discovered an item in the trunk they suspected was an explosive device. Deputies quickly backed away from the area, blocked off S Beech St. between S 20th Avenue and S 21st Avenue, and asked the Portland Police Bureau’s Explosive Disposal Unit (EDU) to come out and assist them.
Shortly before 10:00 p.m., EDU officers secured the suspected explosive device, and then deputies reopened S beech Street.
Mr. Larsen was lodged in the Washington County Jail on possession of a stolen vehicle, unauthorized use of a motor vehicle, and possession of a destructive device.
Today, EDU officers determined that the material inside the suspected explosive device was approximately three-quarters of a pound of explosive powder.