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She stabbed the two classmates in the stomach and back with a 20-centimeter thin fish-cutting blade. Both children were five years old. Zheng then dumped the bodies in Nagahama, Shiga Prefecture, a small town 300 kilometers southwest of Tokyo.
A passer-by discovered the body of Taketomo on a rural road.
Sano"s body was recovered in an irrigation stream. After dumping the bodies, Zheng parked the car 56 kilometers away from the crime scene.
She still had the knife used in the killings in her possession. Taketomo was declared dead at 9:45am shortly after she was taken to the hospital.
Sano died around noon at the same hospital.
Prosecutors demanded death, but Zheng was sentenced to life imprisonment after she was diagnosed with schizophrenia.
