ARUNDEL, Maine (NEWS CENTER) -- A man was found dead Wednesday inside his Arundel home and his wife's whereabouts are unknown.

UPDATE: March 9 2017 - Authorities have set out with dogs to search the area near the home for Sue Kim Coito. A neighbor spoke to NEWS CENTER about the couple and she stated they were quiet and very friendly. Police will be at the home today to continue the investigation and an autopsy will be done today on Matthew Coito.

Original Story:

The death is being called "suspicious" by state police, according to state DPS spokesperson Steve McCausland.

Police said the body of 63-year-old Matthew Coito was found in the kitchen of his home on Campground Road.

His wife, 65-year-old Sue Kim Coito, who has Alzheimer's, is still being sought by police. Troopers and county deputies searched the wooded area near the house but found nothing.

Coito is described as being 5 feet 2 inches and 130 pounds with black hair and brown eyes. If she is not located Wednesday night, state police told McCausland that an expanded search would take place Thursday.

The couple had not been seen or heard from since early last weekend. Matthew Coito's body was found when relatives went Wednesday to check on the two.

Below is a press conference state police held Wednesday afternoon: