they were already dead, having just returned from dumping their bodies at this remote oil field. why take their bodies out of the house and bury them? i was scared. i didn t know what else to do. reporter: watts also admitted to having an affair with a coworker, nicole kessinger, keeping photos of her hidden in a secret app on his phone. watts pleaded guilty to all three murders and last week he was sentenced. he ll spend the rest of his life in prison. david? clayton sandell with us tonight. clayton, thank you. we re going to turn next to the american cupping found dead in mexico, they had checked into their airbnb rental, where the la landlord then found them days later, victims of that silent killer, carbon monoxide. and tonight, their family is now struggling to bring their bodies home. here s abc s victor oquendo. reporter: tonight, the family of ed winders and barbara moller struggling for answers and with mexican officials to return the couple s bodies after the two