Prosecutors may not indict four men linked to Aum Shinrikyo who have been arrested over the 1995 shooting of the National Police Agency chief, due to a lack of credible evidence, investigation sources said Sunday.
As doubts linger over the credibility of testimony by former police officer Toshiyuki Kosugi, one of the four under arrest, prosecutors believe it would be difficult to sustain a trial without being able to pinpoint who actually shot Takaji Kunimatsu, the sources said.
Prosecutors have until Wednesday to decide whether to file charges.
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