He could not see anything , however , owing to the thick fog .
Inspector Lestrade tells Holmes that a passenger has seen fit to report hearing a thud at about the location in question , as though a body had fallen on the track .
Holmes could not see anything , however , owing to the thick fog .
Inspector Lestrade tells Holmes that a passenger has seen fit to report hearing a thud at about the location in question , as though a body had fallen on the track .