A man who claimed to being conducting radioactivity tests to gain access to homes and then allegedly assaulting young girls who were by themselves is suspected of having carried out as many as 20 similar attacks in the three years before his arrest.
Yuya Yazaki, an unemployed 35-year-old resident of the town of Soka in Saitama Prefecture, north of Tokyo, has been arrested on a charge of sexually assaulting a girl in the same city in April and has reportedly confessed that he copied a tactic depicted in an adult manga comic.
Yazaki has admitted that he monitored the home of girls and, after determining that they were alone, would knock on the door and claim to be an “inspector” who was carrying out radioactivity tests in the aftermath of the 2011 Fukushima nuclear accident, national broadcaster NHK reported.
Once inside, however, Yazaki allegedly threatened that he would kill the girls if they cried out before molesting them.
Yazaki is suspected of using the same story to attack a girl in January, while police are investigating a string of similar assaults that first began in 2014.
He has told investigators that he copied a storyline from a pornographic manga in which an attacker claimed to be monitoring radioactivity in order to gain access to a nursing home.
Police have interviewed the author of the manga – who has not been named – and warned him that similar images and storylines should not be published in the future. The author is understood to have agreed to the police request, NHK reported.
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