SEASIDE - Marcus G. Foster age 50 of Seaside has been arrested on two charges of aggravated murder that investigators believe most likely occurred on Thursday evening in Seaside. Foster was arrested when a Clatsop County uniformed Sheriff’s deputy spotted a purple Toyota Scion traveling west on Highway 30 entering Knappa. The vehicle was stopped and Foster was taken into custody without incident. He was taken to the Clatsop County jail and interviewed by members of the Clatsop County Major Crime Team. The lead agency is the Seaside Police

Department aided by members of the Clatsop County Major Crime Team made up of representatives of Clatsop County District Attorney’s Office, Clatsop County Sheriff’s Office, Astoria Police, Oregon State Police, Clatsop County District Medical Examiner. Following the interview Foster was booked into the Clatsop County Jail charged with two counts of Aggravated Murder in the First Degree.

The arrest was made following the discovery of two bodies inside the residence at 1372 10th Avenue in Seaside after the Seaside Volunteer Fire Department responded to this address for a report of an unresponsive person Friday afternoon.

When officers arrived, they discovered a male and female inside the residence who had been deceased for some time. After a search of the residence for any additional victims, they secured the residence notifying detectives.

The preliminary investigation indicates Laura Foster, age 53 of Seaside and the male victim were long time friends and he just recently moved to Seaside. Investigators believe the murder weapon was a baseball bat but the final determination will be made by the Oregon Medical Examiner’s Office at the autopsy.

The Seaside Police along with the Clatsop County Major Crime are continuing their investigation with the assistance of the Oregon State Police Crime Lab. They are currently executing Search Warrants for the residence and Toyota Scion.

While detectives have identified the female victim as Laura J. Foster of Seaside, the identity of the male victim, a white male in his early 60’s is being withheld pending notification of next of kin. Police are still looking for the gold Toyota Camry with a temporary sticker. Anyone observing this vehicles or has information concerning this case is asked to call the Seaside Police Department at 503-738-6311 or Crime Tip line at 503-738-0222.

District Attorney Josh Marquis said that the Clatsop County Grand Jury would consider charges this week. The defendant will be arraigned Monday afternoon in Astoria on an information. If convicted of Aggravated Murder, possible sentences range from life with possibility of parole after 30 years, life without possibility of parole, or a death sentence. Marquis said it was much too early to determine what penalty would be sought.


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