Snohomish County sheriff’s deputies say it appears both vehicles went over an embankment in the Oso area.

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Update, 12 p.m. Friday: Detectives to inspect vehicles belonging to missing Arlington couple

Snohomish County sheriff’s deputies have found the vehicles of a married Arlington couple who disappeared under suspicious circumstances this week.

Patrick Shunn, 45, and Monique Patenaude, 46, who were last seen Monday, remain missing.

Using a rescue helicopter, deputies said they found both vehicles, a 2000 Land Rover Discovery and a 1995 Jeep, near each other in some woods in the Oso area Thursday, according to sheriff’s spokeswoman Shari Ireton.

It appears both vehicles went over an embankment, Ireton wrote in a news release. As of late Thursday, the vehicles had yet to be searched, she added.

Neighbors reported Shunn and Patenaude missing Tuesday afternoon after finding their livestock untended.

Shunn went to work Monday, but he didn’t show up Tuesday at his job in Kirkland, investigators said. Patenaude was last seen about 1 p.m. Monday near the couple’s home in the 27800 block of Whitman Road.

This week, Shunn’s uncle, also named Patrick, said that in addition to the vehicles being gone, both of the couple’s cellphones were turned off.

Since the couple went missing, friends and relatives have taken to social media to express concern over their disappearance and to spread the word about the case.

Shunn’s brother, Erik, posted on Facebook this week that it was unlike his brother to not show up or call into work, adding: “Pat and Monique have pets and livestock and they haven’t been taken care of the last day and a half.”

He added in a post Wednesday: “I have told several of my closest friends I have a bad gut feeling on this one.”

Detectives with the sheriff’s Major Crimes Unit continue to search for the couple. Anyone with information about the investigation should call the sheriff’s anonymous tip line at 425-388-3845.