Forced into early retirement by a bullet to the knee, ex-cop Fred Carver undertakes a missing persons case that quickly places him in mortal danger   When the criminal's bullet shattered his knee, Fred Carver's colleagues called him lucky. Between his pension and the insurance check, they said, he had a nice, easy retirement to look forward to. But Fred Carver would rather have his knee. His career finished, his marriage over, he takes a halfhearted...