West Des Moines Police says they have identified a vehicle and person of interest in the death of an Oskaloosa woman.  You’ll remember 38-year-old Stephanie Waddell’s body was found on the shoulder of Interstate 35 Sunday morning (5/9).  Investigators say Waddell had been struck by a vehicle sometime late Saturday (5/8) or early Sunday.  No arrests have been made at this time.  The No Coast Network will keep you updated on this story.