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, volaman went straight to layton, utah. with the help of the local pd, he was soon sitting across from his new person of interest. >> cristobal melchor said he was on a training exercise in california at the time of the muferd. >> not only was he not in texas, he was on the other side of the country. >> he was. >> was there anything to suggest that he had some kind of vendetta against the chapa family? >> we were not able to find any connection between cristobal melchor and the chapa family or the olgin family. >> he then showed melchor the letter, and melchor was stunned. >> but he was even more surprised when he saw his picture on the last page of the letter. >> that was because melchor immediately recognized the photo.