Shirley Theresa Moon-Atwood was 35 when she was last known to have contact in Canaan, Maine; NamUs lists her date of last contact as July 20, 2006. She was White, about 5 feet 2 inches and 104 pounds, with brown hair, green eyes, a missing right ring finger and a heart-with-leaves tattoo on her right shoulder. She was also known as Shirley Moon.

In the summer of 2006 Shirley was living with her husband, Shannon Atwood, at 534 Hartland Road in Canaan. Her disappearance emerged while police were investigating the disappearance and then the homicide of Cheryl Murdoch, who had recently moved in with Shannon Atwood at the same address. Cheryl’s body was found in the woods near the Hartland Road residence in August 2006; investigators continued searching for Shirley but she has never been located.

Shannon Atwood was charged in the deaths of both Cheryl Murdoch and Shirley Moon-Atwood; the murder charge related to Shirley was dismissed without prejudice before trial. Shirley’s remains have not been recovered and her whereabouts remain unknown. Did anyone in the Canaan area know Shirley’s movements or see her after July 20, 2006?