about
11:40
`` No record of a door being found open ? '' `` None . '' `` We have had some fresh evidence this morning , '' said Lestrade . `` A passenger who passed Aldgate in an ordinary Metropolitan train about 11:40 on Monday night declares that he heard a heavy thud , as of a body striking the line , just before the train reached the station . There was dense fog , however , and nothing could be seen . He made no report of it at the time . Why , whatever is the matter with Mr. Holmes ? ''