Nakatani said , since the defendant Niimi participated in a series of malicious killings masterminded by the AUM Shinrikyo cult and played a key role in them , he should be sentenced to death .
中谷说，被告新实参与了奥姆教制造的一系列恶性杀人案件，并在其中起了重要作用，应当被判死刑。
Aum Shinrikyo