A Japanese man arrested after police found nine dismembered corpses rotting in his house has confessed to killing all his victims over a two-month spree after contacting them via Twitter, media reports said today. Authorities were quizzing 27-year-old Takahiro Shiraishi, who has reportedly confessed to hacking the flesh off the bodies and throwing it out with the trash, then sprinkling cat litter over the remains in an effort to cover up the evidence.

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