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Upon his arrest, Oya showed no remorse. His defense was that he was simply performing "pest control," claiming that the cats' urine and feces smelled and that their claws were destructive. He stated, "I did not realise that exterminating these sorts of harmful animals was a violation of the law". The trial, which took place in Tokyo District Court, drew immense public anger. A petition demanding justice gathered over 210,000 signatures. On December 12, 2017, Judge Yasunobu Hosoya handed down a sentence of 22 months in prison, suspended for four years. The judge described Oya's crimes as "truly cruel" and stated that "the influence it had on society is also great". makoto oya cat videos full