Transcript for Couple crossing U.S.-Mexico border sought in double murder
We turn next this Monday night to the manhunt right now for two persons of interest in connection with the deaths of a couple from New Hampshire, found dead in Texas. A surveillance image now showing someone else driving that truck. Here's ABC's Marcus Moore. Reporter: Police are calling this man and woman crossing the u.s./mexico border with a truck they say belonged to a murdered couple persons of interest. We just want to find out who these people are and talk with them about the facts of the case. Reporter: The surveillance image of the unidentified man and woman by his side potentially a critical clue as investigators hunt for whoever is responsible for James and Michelle butler's death. The couple were found buried on a beach in padre island last week, where the pair had been on a road flip. Their last known contact with family days before a heartbreaking and gruesome discovery. They are always in contact with the family. Even for a day, they were out of contact, was really strange. Reporter: The couple's truck and rv allegedly crossed the border one day after they were reported missing. Investigators found the butlers bodies after pinging a cell phone. And authorities tonight are still urging the public for help in this case. All right, Marcus, thank you.
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