the boyfriend shot and killed lorenzo montoya on the spot.for montoya, who was about to literally get away with murder. but years later his death would be just as tough a break for detectives investigating the bodies found on the west mesa. there's nothing to connect lorenzo montoya to those 11 bodies. >> not directly. >> just that he committed that kind of crime. >> hard to get over a guy getting shot with a dead prostitute in his arms. it is. >> but as tempting as it might be to pin the west mesa murders on a dead man, the detectives say there are a few disquieting facts, starting with this one. one of the women on ida lopez's list vanished after lorenzo montoya died. and if you close this case and you say, we've decided it was lorenzo montoya and then later you find out it was somebody else, a lot harder to prosecute that person. >> absolutely. >> absolutely. >> as 2009 drew to a close, two more women from ida's list were positively identified, virginia cloven and evelyn salazar. there was only one set of nameless remains left to identify.