Karla Faye Tucker killed two people with a pickax before finding God behind bars — but Candice DeLong believes her fate was sealed long before the murders. DeLong, a retired FBI agent and criminal profiler, hosts the true-crime podcast  “Killer Psyche,”  where she dissects notorious cases and analyzes the motives of high-profile offenders. She recently explored “The Death Row Convert” and how her conversion to Christianity divided the nation. For DeLong, there was one disturbing detail about