"'Did Lady Donaldson usually lock her bedroom at night?'
"'Nearly always.'
"'And in the morning when you took in the tea?'
"'The door was open. I walked straight in.'
"'You are quite sure?' insisted Sir James.
"'I swear it,' solemnly asserted the woman.
"After that we were informed by several members of Mr. Graham's establishment that Miss Crawford had been in to tea at Charlotte Square in the afternoon of the 24th, that she told every one she was going to London by the night mail, as she had some special shopping she wished to do there. It appears that Mr. Graham and David both tried to persuade her to stay to dinner, and then to go by the 9.10 p.m. from the Caledonian Station. Miss Crawford however had refused, saying she always preferred to go from the Waverley Station. It was nearer to her own rooms, and she still had a good deal of writing to do.
"In spite of this, two witnesses saw the accused in Charlotte Square later on in the evening. She was carrying a bag which seemed heavy, and was walking towards the Caledonian Railway Station.
"But the most thrilling moment in that sensational trial was reached on the second day, when David Graham, looking wretchedly ill, unkempt, and haggard, stepped into the witness-box. A murmur of sympathy went round the audience at sight of him, who was the second, perhaps, most deeply stricken victim of the Charlotte Square tragedy.
"David Graham, in answer to Crown Counsel, gave an account of his last interview with Lady Donaldson.