Suspect X (2008)
A male corpse is discovered with a smashed face and burned hands. Strangely, the cause of death is determined to be strangulation. When Detective Kaoru Utsumi attempts to corroborate the victim’s ex-wife’s alibi she discovers the mysterious neighbor and only a few small clues to help her disprove a seemingly "airtight" alibi... japan, based on novel or book, mathematician, genius, teacher, murder, physicist, murder case, ecentric genius, mystery