In September last year, when the owner of a vacant house in a mountainous region of Yamagata Prefecture, in northeastern Japan, drove up to his property to mow the grass, he was surprised to find a tent pitched there.His son began honking the car's horn, but no one came out. They unzipped the tent flap and were struck by a foul odor. A dead body and used charcoal briquettes were inside.It was a girl in her teens from Yamagata Prefecture. The cause of death is believed to be carbon monoxide poisoning.Investigations revealed that the girl had been taken by car from Yamagata City to the locati…READ FULL ARTICLE