Tularosa--"the place of reddish willows" in Spanish--holds the key to Kevin Kerney's past and his future. Ex-chief of detectives in the Santa Fe Police Department, shoved into early retirement by a shot-up leg, Kerney is fresher in body and mind than he realizes when Navajo Indian Terry Yazzi, his ex-partner and the man responsible for his injuries, asks him to locate his son, reported AWOL from the high-security White Sands Missile Range in southern...