Dublin and Monaghan Car Bombs, 17 May 1974 The deadliest day of the Troubles. More than half a century of unanswered questions.A former senior detective follows the evidence, challenges accepted explanations and asks why the full truth remains out of reach. THE STORY What Happened - and Why It Still Matters On Friday, 17 May 1974, three car bombs exploded in central Dublin within minutes of one another. A fourth exploded in Monaghan ninety minutes later. Thirty-four people, i