Finglas native Luke Waters had dreamed of following his grandfather and brother into An Garda Siochana, until, as for so many other Irish men and women in the 1980s, America beckoned. But Luke never lost sight of his dream, in spite of the hurdles he had to overcome, and in August 1993, he joined the ranks of New York's finest. Beginning life as a 'rookie', driven by a combination of chutzpah and determination, Waters became a homicide detective in...