All that day Inspector French’s thoughts kept reverting to that tense moment in the cemetery when the lid of the coffin had been raised and his theory had been so dramatically established. The memory filled his mind with a deep satisfaction. He felt that he had achieved nothing less than a veritable triumph. Other cases he had handled well, indeed he thought he might say brilliantly. But in no previous case had he solved his problem by such a creative effort of the imagination. He had imagined what might have happened, he had tested his theory, and he had found it had happened. The highest kind of work, this! His superiors could not fail to be impressed.
But there was more than that in it. Seldom had he known of a case which contained such arresting and dramatic features. When the facts b
