office of special investigations agent, vince pastillo-- she said she heard what sounded to her likekfiring. did she tell you what she did at that point? she then opened the door and noticed that her husband was laying at the bottom of the stairs. keith morrison: she told them she thought she saw somebody moving in the bushes near the stairway, but she wasn't sure. initially, i think police were looking at perhaps a robbery of some type. keith morrison: detectives combed the parking lot, 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, bang. it was, bang, pause, bang, pause-- a space between each of the five shots. which sounds more like what? an execution? you could take it that way, yes. keith morrison: at the top of that stairway were a few clues. bullet holes sprayed in the wall, sequins from marty's h