Amagasaki Serial Murder Incident
Miyoko Sumida, a 64 year old Japanese grandmother from Amagasaki, allegedly coerced family and friends to kidnap, torture and murder multiple people for financial gain. The crimes began with the disappearance of a woman in or around 1987. At least 8 victims were confirmed to have died, mainly as a result of assault, confinement and other forms of abuse. The crimes were committed mainly in Amagasaki, but also in six other prefectures, Hyogo, Kochi, Kagawa, Okayama, Shiga and Kyoto.
Miyoko Sumida and 7 others were arrested on 7 November 2011. Sumida committed suicide on 13 December 2012 whilst awaiting trial.