chunk: Barrymore arouses further suspicion when Watson and Sir Henry catch him at night with a candle in an empty room. Barrymore refuses to answer their questions, but Mrs. Barrymore confesses that Selden is her brother, and her husband is signalling that they have left supplies for him. Watson and Sir Henry pursue Selden on the moor, but he eludes them, while Watson notices another man on a nearby tor. After an agreement is reached to allow Selden to flee the country, Barrymore reveals the contents of an incompletely burnt letter asking Sir Charles to be at the gate at the time of his death. It was signed with the initials L.L.; on Mortimer's advice, Watson questions a Laura Lyons, who admits to writing the letter in hopes that Sir Charles would help finance her divorce, but says she did not keep the appointment. Watson tracks the second man he saw in the area and discovers it to be Holmes, investigating independently in hopes of a faster resolution. Holmes reveals further information: