Mystery Surrounds Deaths of American Couple at Mexican Resort

An American couple, John Heathco and Abby Lutz, were found dead in their hotel room at the Hotel Rancho Pescadero in El Pescadero, Mexico. The cause of death is still under investigation, but initial forensic examination suggests intoxication by an unknown substance. The family suspects carbon monoxide poisoning due to improper ventilation. The hotel denies any issues with its infrastructure or facilities.