seven o'clock
Tomlin , of course , would have no recollection of events after ten o'clock , but the commercial traveler , who could be traced , might be induced to tell the truth if assured that the police needed the information solely for purposes in connection with their inquiry into the murder . That man must be found . His testimony should have an immense significance . That evening , shortly before seven o'clock , a stalwart , prosperous-looking gentleman in tweeds `` descended '' from the London express at Knoleworth . The local train for Steynholme stood in a bay on the opposite platform , and this passenger in particular was making for it when he nearly collided with another man , younger , thinner , bespectacled , who hailed him with delight . `` You , too ? Good egg ! ''