mcswain said he went directly home from the bar on the night of the murder. and family members backed up his alibi. >> he stayed at the house the rest of the night. never left. and his mother and sister were there also at that time. >> police, now, were at a dead end. no one else at the bar that night matched the general description of the man presumed to be the killer. >> it was a hurt that there was just no closure to it. because we just kept thinking, someone's out there and we just don't know who it is. and not only that, but it was the hurt of losing her and giving her up, when she was such a worthwhile person and she was so good to everybody. and we just couldn't see any sense in it. >> months passed, then years, and laura's family lost hope that her killer would ever be brought to justice. >>> when clifford morris turned in his badge after a 35-year career, one case haunted him -- the brutal murder of laura wynn that had gone unsolved for 12 years. on his last day on the job, he handed the case file to one of his most trusted colleagues, detective tim