“Considering the ideal form of the retrial system, including amendments to the law” to launch a bipartisan parliamentary group. Retrial system is stipulated in the Criminal Procedure Law, but it has never been revised for over 70 years.

Unlike regular criminal trials, there are no specific rules on how to proceed with the trial. It has been pointed out that as a result, the hearings for requests for retrial are taking a long time, which is hindering exoneration. In the case of Iwao Hakamada, who was sentenced to death for the murder of a family of four 58 years ago, it took more than 40 years from the time he requested a new trial.