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!" was the cry.
The gentleman thus addressed did not seem to relish this geniality.
"Where the deuce are you off to ?" he demanded.
"To Steynholme--same as you, of course." "Look here, Peters, a word in your ear.

If you know me during the next few days, you'll never know me again.

I suppose you'll be staying at the local inn--there's only one of any repute in the place ?" "That's so.