Here’s an update to a story the No Coast Network has been following.  Ottumwa Police have arrested a man in connection with the death of Helen Showalter over the weekend.  61-year-old Gregory Allen Showalter, Helen Showalter’s husband, turned himself in to law enforcement Tuesday morning (8/3).  Gregory Showalter is charged with first degree murder and being a felon possessing a firearm.  Helen Showalter’s body was discovered Sunday afternoon (8/1) in the Des Moines River near the Cliffland Boat Ramp.  The preliminary findings show that her death was the result of foul play.