GREELEY, Colo. (AP) – Police in northern Colorado say they’ve identified human remains found this week at an oil and gas site as those of a 12-year-old girl who disappeared in 1984. The Greeley Tribune reported Thursday that police say the remains are those of Jonelle Matthews, who disappeared after performing in a Christmas concert in Greeley on Dec. 20, 1984.

Jonelle Matthews (credit: CBS)

Matthews was last seen being dropped off at her Greeley home by a friend and the friend’s father.

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There have been no arrests in connection with her disappearance.

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Messages left for Greeley police spokesman Sgt. Joe Tymkowych as to how the remains were identified weren’t immediately returned.

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