had the name christobal melchor crossed your desk in any way during your investigation? years in the investigation, we never heard that name. >> it even included a photograph of mr. melchor, the man he said hired him. >> this man's being handed to you on a plate. >> yeah. >> could it be real? should the police take this at a face value? >> is it possible this letter is some sort of thinly veiled threat to kristene, you know, you survived, but we know where you live? >> yes. the letter definitely contained an implied threat to her safety, and so we moved very quickly to make sure that she was safe, that she was protected. >> and they're like, okay, you know what, you need to leave town. like, no one could know where i was at. only my family knew where i was at. >> with kristene in a safe place, veuleman went straight to layton, utah. with the help of the local pd, he was soon sitting across from his new person of interest. >> christobal melchor said he was on a training exercise in california at the time of the murder. >> not only was he not in texas, he was on the other s