The Ira Member in Question Is a Double Agent for British Intelligence

The i r a member in question here is a double agent for british intelligence, code named stake knife. A lot of the story revolves around scapatice killing, or allowing people to be killed who could compromise his position as a double agent. According to scapatiche met an army sergeant named peter jones, a guy who so carismatic that his superiors allowed him to wear civilian clothes, don a beard and develop his own sources.