Vengeance - A John Hayes Thriller, #1

When expat John Hayes' wife is brutally attacked while on a posting in India, he's forced to take matters into his own hands. John Hayes' life is perfect. He has a dream job in an exotic land, his career path is on an upward trajectory and at home he has a beautiful wife whom he loves with all his heart. But one horrible day a brutal incident tears this all away from him and his life is destroyed. He doesn't know who is to blame, he doesn't know what to do, and the police fail to help. He's faced with a choice.
Should he accept things and move on with his life or take action and do what the authorities won't do for him? What would you do?