A judge has refused to discuss a prosecution motion to drop a murder charge against an eastern Arizona 8-year-old accused of killing his father and another man.

Judge Michael Roca said Monday during a hearing in St. Johns that he doesn't want to address the motion while a competency issue in the case is still pending.

A state expert is expected to evaluate the boy on Dec. 17.

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The boy faces two counts of premeditated murder in the Nov. 5 shooting deaths of his father, 29-year-old Vincent Romero, and 39-year-old Timothy Romans.

The prosecution has asked the judge to dismiss the murder charge stemming from Romero's death. The prosecutor's office didn't elaborate on the reason for the request.