Paul Potter, 49, of Kirksville is been charged with first degree murder, arson, vehicle tampering, armed criminal action and burglary. Potter is accused of stabbing and then dismembering 74-year-old Willis Edward Meredith on January 6th before throwing the severed arms at witnesses. Potter will be in an Adair Country courtroom Friday afternoon for a motion hearing. Defense is asking for an undisclosed amendment to the mental assessment determining Potter’s ability to participate in his defense. That hearing starts at 2 p.m.