The famous short story "The Sniper" by Liam O'Flaherty was first published in January 1923 in a weekly called The New Leader. It tells of a sniper on a rooftop in Dublin during the Irish Civil War between the Republicans and the Free Staters.
After shooting and killing an enemy in an armored car and an informant on the street, the sniper himself is shot in the arm. He contrives a plan to have the other shooter reveal himself and then shoots him with a revolver, causing him to fall off a rooftop. When the sniper goes down to the street and turns over the man he has just killed, he finds out that it is his brother.
The story contains several clues that tell us about the sniper. It says that he has the face of a student, but his eyes have the cold gleam of a fanatic. From this we can gather that he is very young, possibly still in his teens, but that he believes wholeheartedly in what he is doing. It says of his eyes: "They were deep and thoughtful, the eyes of a man who is used to looking at...
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