“Ah!” she said, and looked at him with eyes like diamonds.
“And the trivial thing was this,” said Brown. “There were finger-prints on that sword; finger-prints can be detected quite a time after they are made if they’re on some polished surface like glass or steel. These were on a polished surface. They were half-way down the blade of the sword. Whose prints they were I have no earthly clue; but why should anybody hold a sword half-way down? It was a long sword, but length is an advantage in lunging at an enemy. At least, at most enemies. At all enemies except one.”
“Except one,” she repeated.
“There is only one enemy,” said Father Brown, “whom it is easier to kill with a dagger than a sword.”
“I know,” said the woman. “Oneself.”
There was a long silence, and then the priest said quie
