Story highlights Cristie and Joseph Codd were reported missing Sunday

The suspect had done odd jobs for the couple, authorities say

(CNN) A North Carolina man facing murder charges in the death of a "Food Network Star" contestant had human remains in his woodstove, authorities say.

Robert Jason Owens is accused of killing former contestant Cristie Schoen Codd , 38, and her husband, Joseph Codd, 45.

Owens was a contractor and had worked at the couple's home in Leicester, a community 15 miles west of Asheville, authorities said Friday.

Relatives reported the Codds missing Sunday after they could not reach either of them.

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