blue code, they called it. >> at first i didn't wanna believe it, but as time went on, it became more apparent that it seemed that way. >> why? maybe because the investigation of cassy farrington's murder had been going nowhere for so long, even while the family kept trying to tell the detective, sanchez, that a particular silver city cop killed cassy. but the detective hadn't done a thing about it. >> he never questioned him? >> huh-uh, and i asked him that. and he said he was trying to eliminate everyone else that could be possibly a suspect, and then he was gonna talk to him. >> but sanchez's supervisor, lieutenant tavizon had already confirmed billy lee's alibi. boyfriend david's too. >> we know he was at work, he left at 5:00 in the morning to go to work in demning, and all that was verified. >> and still nothing happened. so one day months after the murder, the anger cassy's family was feeling boiled over.