State police are looking for a suspect in the assault of a Graceton woman on Saturday night.  Police say 40-year-old Jennifer Palmer of Woodbridge Road in the Big Oak Village development was pistol-whipped with the butt of a handgun outside of her mobile home by a black male suspect who then fled in a black SUV that was driven by another black male.  Palmer was treated and released at Indiana Regional Medical Center.  There is no further description of the suspects.