it's a recording of a conversation between endo and aum leader chizuo matsumoto. they're discussing how to replicate the dna of matsumoto. >> translator: how many genes are in dna? >> there are about 1500 base pairs of genes in your dna. for example, if we tried replicating them using e. coli we can omit all dna other than e. coli and single out your dna. >> is that possible? >> it is possible. >> you are working hard. >> you think so? >> we still don't know why scientists and elite doctors who were educated at top universities became obsessed with matsumoto. nhk journalists exchanged letters with jailed aum members for 16 years. former senior cult member kasaki is one of them. he was sentenced to death for the murder of a lawyer and his family. >> translator: disciples were required to write a will for asahara. in other words, you had to be prepared to give up your life for the guru. you could not make trouble for the guru or the cult in any way. >> this man played an active role in the sarin gas attack on tokyo's subway system. >> translator: i only understood t

endo followed an order from aum founder matsumoto who goes by the name chizuo matsumoto. he is charged with the death penalty and charged with releasing a gas in tokyo and another city. nerve gas but didn't know what it was to be used for. ruling endo used his scientific knowledge for ill when he produced the sarin. many still suffer from health problems and families from those who died are still suffering mentally. a spokesperson says they will continue to compensate the victims. >>> 16 years of legal proceedings did not help dig up many answers. we still don't know why the leaders tried to take over japan and we don't know why highly educated young people joined the religious group. >> we don't know how the members produced the gas but we do have some clues. here is what i found out in my conversation with the man who was a consultant. >> dna. there are about 1500 base pairs of genes in your dna. if we try to replicate them using eco-lie, we can do that. >> is that possible? >> it is. >> you are working hard. >> you think so? >> we still don't know why scientists and el

matsumoto referred to the possibility of creating an atomic bomb he would activate on his own. >> heays he recognizes the complexity underlying the crimes committed by the cult members. the motives remain unknown. >> translator: the defendant claims he's not to blame because he merely followed orders. he hasn't given any deep thought to his deeds. even if he was driven to commit the crimes, it's his own responsibility to protect himself. believing religion was all to blame is a sin. >> 189 members of the cult have been indicted. 13 of them have been sentenced to death including asahara. the court decision on monday should bring all aum-related criminal trials to an end after 16 years. >>> "newsline" is the place to turn to for the latest on japan post-march 11th. we have two segments offering two unique perspectives on the fallout from the earthquake and tsunami. "nuclear watch" brings you insight and information on the impact of the fukushima daiichi crisis and "the road ahead" examines japan's efforts to recover and rebuild. don't miss "nuclear watch" and "the road ahead" on "newsl

. >>> marine physicist, yukio matsumoto, runs simulations on how radiation spreads through the oceans. winds and water temperatures affect howesm 137 from the ant trel thsubstance flow fm the plant for several wes ter the cident. the red ea shows hh leve of cesm remaed neath coast. en aft one month warm a cold rrents converg in waters off the plant and trapd the cesi nr the shore. contamat wer lingers alo the cot. thremonths latthe si dispersed wwh the r ar turns yellow d en blue. >> translator: the radioactive substance may have a long-time effect across a wide area. >> professor takashi ishimoto of tokyo university of mari science and technology, studies marine biology. he has looked at fish off fukushima. they eat sand and starfish that are contaminated by radioactive substances. he conducted his first survey four months ago and found low levels of cesium in serpent starfish and in sand worms. larger fish eat those creatures. he said the concentration of radioactive substances rises ten fold inside the fish and exceeds the legal limit of 500 becquerels per kilogram. >> translator: