(Eaton, OH)--Police in Eaton are searching for a man who they say tied up and beat his own 91-year-old grandma before stealing her van and fleeing the area. William McClellan has ties to Richmond, and RPD is aware of the search. McClellan assaulted his grandma at her home on North Street in Eaton Tuesday afternoon. She was taken to the Preble County Medical Center to be treated for head injuries and was last listed in stable condition. Police are on the lookout for a 1991 grey GMC Safari van.