it's that muraki told him to issue a certificate because a lawmaker asked them to do it. but he went back on his statement in court. finally, the court pointed out that the prosecutor's press hamiura to admit what others told him, though his memory was fake. the court did not accept most witnesses' testimony and evidence on the ground that the way prosecutors had investigated the case was inappropriate. >> translator: it became clear in trial that the story prosecutors was insisting was completely different from the truth. >> koji, this is not the only time when the faulty investigations by japanese prosecutors and police have come to light recently. what's the background to this? >> well, the credibility of defendants' confessions have been called into question in a number of cases. in march a man was found guilty of murder was acquitted in the retrial. the murder took place 20 years ago. at the time, a 4-year-old girl disappeared and was found dead north of tokyo. in the retrial the court ruled that the defendant was forced to give a false confession. the man said in a