marty theer was dead. he was just 31. cause marty was an air force captain, military investigators were soon on the scene as well as police. a joint investigation with the fayetteville pd. both teams were eager to speak to the only known witness, michelle theer. officers special investigations unit, vince -- >> she said what sounded like her three bangs of a car back firing. >> did she say what she did at that point? >> she opened the door and saw her husband laying at the bottom of the stairs. >> she thought she saw someone moving in the bushes. >> initially police were looking at perhaps a robbery of some type. >> detectives combed the parking lot's surrounding area but found no one on this cold, dark december night. >> there was a man who lived behind the office building who heard the shots fired who later said that he said, somebody's getting murdered out there. because of the order in which the shots were fired. they were very calculated. >> it wasn't like bang, bang, bang. it was bang, pause, bang, pause. >> which so