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Rh Hooker heard her voice when she left home with her sister, and she visited Mrs. Williams after that.

The only theory compatible with all this was, of course, that Mary merely accompanied Susan part of the way to Canterbury, then went back to meet her lover, who enticed her into the deserted grounds of Ash Court, and there murdered her.

The motive was not far to seek. Mr. Lionel Lydgate, about to marry, wished to silence for ever a voice that threatened to be unpleasantly persistent in its demands for money and in its threats of scandal.

But there was one great argument against that theory—the disappearance of Susan Nicholls. She had been extensively advertised for. The murder of her sister was published broadcast in every newspaper in the United Kingdom—she could not be ignorant of it. And, above all, she hated Mr. Lydgate. Why did she not come and add the weight of her testimony against him if, indeed, he was guilty?

And if Mr. Lydgate was innocent, then where was the criminal? And why had Susan Nicholls disappeared?

Why? why? why?

Well, the next day would show. Mr. Lionel Lydgate had been cited by the police to give evidence at the adjourned inquest.

Good-looking, very athletic, and obviously frightfully upset and nervous, he entered the little courtroom, accompanied by his solicitor, just before the coroner and jury took their seats. 17