WebTakayuki Ōtsuki (大月 孝行, Ōtsuki Takayuki, formerly named Takayuki Fukuda (福田 孝行, Fukuda Takayuki)) was the perpetrator of the Hikari Parent-child Murder Incident (光市母子殺害事件, Hikari-shi Boshi Satsugai Jiken) in Hikari, Yamaguchi, Japan, on 14 April 1999. [1] On that day, when he was 18 years and 1 month old, he ...