Portraits of Guilt

Inside the investigations of the deadly crimes that have shocked our nation -- the Polly Klaas kidnapping, Susan Smith's drownings of her own children, the Oklahoma City bombing -- one woman is the investigative world's secret weapon. You've seen her work: it was her composite sketch that revealed the face of the Unabomber, her hand that put a profile on Oklahoma City's John Doe II, her "dead ringers" that led to resolutions of those and other cases. Now Jeanne Boylan, the gifted forensic a...