The Lonely Impulse
Costigan was ex-IRA. He'd seen more than his share of killing and he wanted no more of it.
They picked him to track down Willy Dowd because he had a score to settle. And they offered him 50 thousand dollars.
But there was more to the job than money, more than he bargained for. He found betrayal and murder, and nuclear blackmail.
And a ghost that had haunted him for a dozen years,