Suspect's motive for Kawasaki knife attack remains unclear

The motive of the assailant in a knife attack this week in Kawasaki that left two dead and a dozen others injured remains unclear even after police searched his home, investigative sources said Friday.Ryuichi Iwasaki, 51, who committed suicide at the scene, had left a notebook in the house where he was living with his uncle and aunt. But it gives no indication about why the attack occurred, the sources said.The suspect repetitively wrote the Chinese character of "sei" or "shou," meaning righteousness or real thing, in the notebook, the sources said.Iwasaki's room, which he is said to have h…READ FULL ARTICLE