A case of murder-suicide on the premises of a Tokyo shrine Thursday night in which three people died seems to have resulted from a long-standing feud between one of the victims and her brother over the Shinto priesthood, investigative sources said Friday.Shigenaga Tomioka, 56, killed his wife Mariko, 49, and then himself after the couple ambushed and killed his 58-year-old sister Nagako, the chief priest at the Tomioka Hachimangu shrine. A samurai sword with an 80-centimeter blade, broken in the middle, was found near where Nagako was attacked. Another shorter sword and two survival knives …READ FULL ARTICLE