SMITHVILLE, Mo. (AP) - Authorities in northwest Missouri are investigating the deaths of a married couple and a 14-year-old relative as a possible double murder-suicide.

Clay County Sheriff Bob Boydston says a family friend went to the rural home north of Kansas City on Monday morning to check on the residents and saw what appeared to be a body through a window.

Boydston says deputies found the teenage boy and a female cousin in her 60s in their beds with gunshot wounds to their heads. The woman's husband, about 70 years old, was found in another part of the house with a handgun nearby.

The sheriff says the couple had become the boy's guardians within the past year.

Boydston says family and friends reported that the older man had been suffering from depression.

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