The Seaside man accused of murdering his ex-wife and her male friend late last week was arraigned in Clatsop County Circuit Court Monday afternoon.

Marcus Foster, 50, appeared in court via closed circuit television from Clatsop County Jail. Foster is accused of killing Laura J. Foster and her friend Guy Phillips Thursday at the home the Foster’s shared.

Investigators discovered an aluminum baseball bat at Foster’s residence Friday and believe it was used to bludgeon Laura Foster and Phillips to death. Both victims died as a result of repeated blunt-force trauma to the head.

In court Monday, Clatsop County District Attorney Josh Marquis referred to the crimes as “particularly brutal murders.”

The district attorney’s office is keeping most of the murder details under wraps because the investigation is still ongoing.

In court, Marquis alluded to Foster giving investigators a statement after his arrest in which he admitted to the murders.

A secret grand jury is set to convene on the case later this week. Foster is scheduled to appear in court again for plea arraignment on May 15. Foster will be held with no bail.

Investigators have said the couple was divorced, but Foster shared the home with his ex-wife. Phillips was reportedly a long-time friend of Laura Foster.

Marquis declined to comment on a possible motive for the murders.

Seaside Detective Sgt. Steve Barnett said investigators had a motive in mind, but could not divulge it yet.

“I’m going to play this investigation very close to my chest,” Barnett said.


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