Jerry Ray Milligan, 64, who is accused of killing his son, Jerry Tyler Milligan, 41, was arraigned last week on charges of murder and two counts of unlawful use of a weapon; and he is being held without bail.
He was scheduled for another arraignment Monday following grand jury.
Last week, an autopsy confirmed that the cause of death was a gunshot wound by a .22-caliber pistol that appears to have been fired once, said…