A body found in a shallow grave on private land in central Montana may be that of, 33-year-old Rory Wanner of Billings who has been missing since late June and is assumed to be the victim of a homicide.  The Dispatch reports that a landowner found the shallow grave on Sunday near Roundup.  Wanner was last seen on June 28.  His vehicle was found abandoned in a residential area of Billings a short time later.  Police have a suspect in mind.