(Seaside, OR) -- Seaside Police have identified the suspect in a violent assault and police pursuit. 18-year-old Isaiah Thompson is accused of assaulting a person and stealing their car in Seaside on Friday. The victim was hospitalized in critical condition. Thompson allegedly fled at high speed on Highway 26 eastbound. Near Hillsboro, police say he took the Glencoe Road exit and crashed, running from the vehicle. Police say Thompson is homeless and will be charged with attempted murder when he's located.