'I do not know who he is, Watson,' he told me, 'but I
believe I know what kind of man he is. He is far too
intelligent, too extraordinary a killer for our good
friend Lestrade and his policemen in dresses to
catch. No, he shall be mine. He is the criminal that I
have waited for. To destroy him will be the greatest
success of my life. I dream of it, Watson! I must
destroy him! I cannot fail!'