As I have reason to believe, however, that the full facts have never been revealed to the general public, and as my friend Sherlock Holmes had a considerable share in clearing the matter up, I feel that no memoir of him would be complete without some little sketch of this remarkable episode.
No obstante, como tengo razones para creer que los hechos completos no se han revelado nunca al público en general, y dado que mi amigo Sherlock Holmes desempeñó un importante papel en el esclarecimiento del asunto, considero que ninguna biografía suya estaría completa sin un breve resumen de este notable episodio.