There is no need to tell Etsuko Yamada what can happen when police are left to question suspects as they see fit.
When the bodies of a boy and a girl were discovered in a septic tank at a facility for mentally disabled children in Nishinomiya, Hyogo Prefecture, in 1974, local police came under intense pressure to find the culprit-and fast. Though she strenuously denied having anything to do with their deaths, Yamada, who worked at the facility, was detained by the police and questioned for 22 days
