The only thing possibly worse than losing loved ones in a fire would be if you were falsely accused of setting the blaze. Yet that's what some experts say happens around the country when the wrong fire investigator determines arson based on outdated techniques. Is it what happened to Amanda Kelly? Kelly's world fell apart on a winter's day in 2001 when she was charged with arson, accused of setting a fire that engulfed her Alexandria, Louisiana home, killing her three children. She faced the death penalty.

Is it ever okay to take the law into your own hands? That question has divided a California community since the murder of a respected town businessman last February. Aaron Vargas, a young father about to be married, shot and killed Darrell McNeill - a former neighbor and the father of his childhood best friend - while McNeill's wife watched. But as the story unfolded, everyone in Fort Bragg, CA was stunned to learn of the alleged dark secrets kept for decades between the two men. Vargas told his family and the authorities that McNeill had sexually and psychologically abused him for years. Was killing McNeill revenge? Vigilante justice?