'I do not mean you, Colonel,' he explained. The real murderer stands right behind you,' and he placed his hand upon the horse.
'However, I must say that he killed to save himself, and that Straker was not the honest man he appear&I. But there's the bell for the next race.
I shall tell you everything afterwards.'
Holmes makes it all quite clear During the train journey hack to London, Holmes explained to us how he had solved the mystery.