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GREELEY, Colo. (KDVR) — The trial for the man charged with first-degree murder of 12-year-old Jonelle Matthews is underway.

Steve Pankey was charged with first-degree murder – after deliberation, first-degree murder – felony murder, kidnapping with a weapon and two counts of use of a weapon in a violent crime in October, 2020.

Jury selection is expected to take several days, the trial is expected last five weeks.

Pankey was indicted by a grand jury on Oct. 9, 2020.

Jonelle went missing on Dec. 20, 1984 when she was dropped off at home after a holiday concert.

Her remains were found in July 2019 by a construction crew working in the area.