ignore it. >> reporter: i mean, was this like the hatfields and the mccoys? what happened? >> there was no communication, no associations with them, you know. that -- that was basically it. that they became estranged. >> reporter: which made it difficult for tina, who was still married to sam's older brother, armando. police continued to work the case, but the fact was, they had no solid leads. they weren't even close to arresting anyone. but then two years after cathy torrez was murdered, an unexpected meeting put this investigation in the fast lane. an explorer scout with a familiar last name inspires a renewed search for a killer. >> that is a weird convince coincidence. >> we don't believe in coincidences. in terms of treating sensitivity, 3 days is really fast.