Police said Saturday they found unused briquettes in a car rented in southwestern Japan by a 41-year-old man who is suspected of killing his three children, leading them to believe he may have originally been planning to commit a murder suicide.According to the police, the man rented a car in Fukuoka city on Feb. 18 and was supposed to return it last Monday. However, it was discovered at a commercial facility in Miyazaki Prefecture on Thursday.Burning charcoal in an enclosed space such as a room or car is a common method of suicide in Japan.The findings came after the police discovered the …READ FULL ARTICLE