A North Carolina woman was arrested for a 15-year-old cold case Thursday after a detailed tip to a crime-fighting Facebook page led investigators to a shallow grave on the woman’s property in the small town of Spring Hope.

Kimberly Hancock, 49, was charged with first-degree murder in the death of her former sister-in-law, Deborah Elaine Deans, who went missing in 2004.

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"Remains have been found consistent with the description of the wrapping and how the body was buried," Sheriff Keith Stone said, according to Raleigh's WRAL-TV.

Kimberly Hancock (Nash County Jail)

The body has not yet been identified but Stone said there is a “strong possibility” it is Deans.

"It's not a good outcome," Stone said, according to WRAL, "but it puts families to rest to know at least where their loved ones are."

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Hancock was charged with manslaughter in 1989 for killing her father who was allegedly abusive but got a suspended sentence, WTVD reported.

Deans, who was 29 at the time she disappeared, was a mother of four.

Deans was last seen in the area where the body was found.