McALESTER — A woman with a PO Box at the McAlester Post Office received a scare Sunday morning when she found an unmarked package with an unidentified white powdery substance inside, according to police.
Det. Sgt. Chris Morris said that the powder was shipped to be tested. It is believed to be headed to Oklahoma City for the testing.
Morris also said that the investigation is now being handled by the postal inspector and the FBI.