police, telling them: "I found something that I think are human bones."When officers arrived, they confirmed the corpse was indeed human.The body appeared to have been dead for several years.Although they haven't yet been able to determine the body's age or sex, investigators believe there is a strong probability it is that of Sumio.The cause of death is unknown at this stage.Video shows the house was not particularly large, making the likelihood the two siblings lived alongside their brother's rotting corpse for five years all the more bizarre.Even stranger, when Sumio's siblings first told police he was missing, they reportedly said: "He hasn't come home in over a year."This would imply they had seen him leaving the house, or at least.
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