midnight
`` Quite a place for experiments . They 've got a big room on the fifth floor where somebody is always dissecting , or carrying out some kind of investigations into this bodily thing we call a home . My work led me past there a good deal , and I 'd gotten so I hardly noticed it . But one Sunday night , I guess it was along toward midnight , I saw something that brought me up short . I happened to look in and saw a man in there , murdering another one with a wooden mallet . '' `` Murdering him ? '' The statement had caused a rise from the rest of the auditors .