‘Some people are against it,’ answered his friend. ‘But he is liked and respected in the place and is a skilled and devoted surgeon.’
‘So devoted a surgeon,’ said Father Brown, ‘that he had surgical instruments with him when he went to call on the young lady at teatime. For he must have used a lancet or something, and he never seems to have gone home.’
Fiennes sprang to his feet and looked at him in a heat of inquiry. ‘You suggest he might have used the very same lancet—’
Father Brown shook his head. ‘All these suggestions are fancies just now,’ he said. ‘The problem is not who did it or what did it, but how it was done. We might find many men and even many tools—pins and shears and lancets. But how did a man get into the room? How did even a pin get into it?’
He was staring reflective
