Suspect in Seaside attempted murder IDed as 18-year-old 

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Police have identified the person suspected of attempted murder and stealing a car in Seaside early Friday morning as 18-year-old Isaiah J. Thompson, who is also accused of stealing a car in Multnomah County in April.

Seaside police responded at 12:20 a.m. after a 911 caller said they’d been attacked and had their Ford Mustang stolen near the 100 block of Ninth Avenue, officials said.

The assault victim was taken to a hospital in critical condition, according to a statement from the City of Seaside. Seaside police said Saturday they had probable cause to arrest Thompson on suspicion of second-degree attempted murder, unlawful use of a weapon, first-degree robbery, unauthorized use of a vehicle, eluding police and reckless driving.

On Friday, Thompson allegedly led officers and sheriff’s deputies on a high-speed chase on U.S. 26 that ended with a crash in Washington County.

A Cannon Beach police officer spotted the Mustang south of Seaside and pursued it, but stopped after losing sight of the car speeding on U.S. 26, officials said.



A Washington County sheriff’s deputy later pursued the car after seeing it driving more than 100 mph near the intersection of Oregon 47. The car turned south at Northwest Glencoe Road and crashed, flying briefly into the air before landing at the intersection of Northeast Shannon Street in Hillsboro, according to the statement.

Thompson got out of the car and fled on foot, officials said.

Officers from Beaverton, Hillsboro and Tigard, as well as Washington County sheriff’s deputies, were searching the area for Thompson and were using drones and police dogs.

Police asked anyone with information to call Seaside Detective Michael Crowe at 503-738-6311.

Thompson is also accused of stealing a Toyota Corolla in Multnomah County, crashing it and running from a Portland officer in April. He pleaded not guilty Oct. 18.