Kouki Kato

Kouki Kato (August 22, 1980 - August 20, 2019) was a Japanese-El Kadsreian man who was one of four perpetrators of the mass shootings in the Westfield shopping center in Caelum, which killed 216 people and injuring 443 others. He was serving 54 life sentences in Yakuraoi Prison prior to his 2019 suicide.