Man left naked, bound, with head in toilet bowl before death in Japan police cell(Mainichi Japan)OKAZAKI, Aichi -- Investigations into the death of a man held at a central Japan police station have revealed he was left naked and bound with his head in a toilet bowl, and a senior official is among those suspected of assaulting him, a source close to Aichi Prefectural Police has told the Mainichi Shimbun.According to the source, footage from a surveillance camera in the detention cell showed a senior official at Okazaki Police Station in the city of Okazaki entering the room and kicking the 43-year-old man as he lay tied up.The police station is suspected to have neglected to take necessary medical measures, such as having a doctor examine the man, though he had diabetes and schizophrenia.It is said that police had given him medication for the mental disorder, but an employee in charge of detention was quoted as saying that they had forgotten about the diabetes.The prefectural police force announced on the night of Dec. 16 that it had launched an investigation on suspicion of assault and cruelty by specialized public employees, amid strong suspicions the police station's treatment of the man was illegal."