Summary: This week: A years-long unsolved murder of a family of four finally sees some resolution when a business associate is convicted in Southern California. A woman fights back hard when her neighbor attacks her in Niagara Falls, New York. A mother of 3 is accused of shooting her boyfriend to death after he has a falling out with a cult. And a new social media app helps capture an accused pedophile, who also happens to be a California cop.
