(Darrington, WA) -- Crews will try later today to reach two vehicles belonging to an Arlington, Washington couple who have been reported missing. Snohomish County sheriff's deputies say the vehicles were found Thursday in a wooded area near Oso and appeared to have gone over an embankment. The cars belong to 45-year-old Patrick Shunn and his wife, 46-year-old Monique Patenaude, who haven't been seen since Monday. The sheriff's office says the vehicles were spotted yesterday by the department's search-and-rescue helicopter.