southwest united states. a coyote is ruthless just like the coyotes in the wild. they're predators. >> eliseo's information was invaluable to us. a day or two after the news, he said he received a call from one of the smugglers. this person named memo who told him that he had nothing to do with it. he said, it's somebody else's fault. and this kind of stuff happens, he said. >> i remember i said to him, you are the worst, coldest person i ever spoke to. you knew exactly what you had -- where you had him and you never told us. you could have saved him. he says, well, i don't care. and i'm going to tell you right now, never call me back again. in fact, this phone number isn't going to be working anymore and that was the last i heard from