No single adjective could do justice to the events that rocked Ireland in July and August 1982, so the then taoiseach, Charles Haughey, used four: “Grotesque, unbelievable, bizarre and unprecedented”. An acronym was soon born: Gubu.
That summer, Malcolm MacArthur, a socialite with a yen for bow ties and cravats, had bludgeoned a young woman to death, killed a farmer with his own shotgun and attempted to rob a retired US diplomat, sparking a huge manhunt.
