Whisper to the Soul by Clint Browning

For years Jake Brogan has succeeded in a world where survival no longer depends on the unique instincts and skills needed to hunt people as a sniper. When asked for help by a man who saved his life during that earlier time, Brogan’s refusal to his estranged friend is immediate. Following the execution style killing of the man, Brogan questions his decision. Does he ignore the intrusion into his life or reenter a world requiring the lethal skills previously abandoned?