Firsthand accounts from authorities and journalists illuminating four disturbing events as they describe the twists and turns of the investigations and the breakthrough moments that led investigators and police to each killer's doorstep.
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When devoted mom Christina Harris dies from a mysterious drug overdose, her family is sure she's been murdered. Could this be the perfect crime, or will one fatal flaw give Christina's family justice?
When devoted mom Christina Harris dies from a mysterious drug overdose, her family is sure she's been murdered. Could this be the perfect crime, or will one fatal flaw give Christina's family justice?
When Stacey Castor's husband dies of an apparent suicide, not all the pieces add up. Is Stacey a tragic widow or will an overlooked detail reveal that something far more sinister is going on?
When Stacey Castor's husband dies of an apparent suicide, not all the pieces add up. Is Stacey a tragic widow or will an overlooked detail reveal that something far more sinister is going on?
Firsthand accounts from authorities and journalists illuminating four disturbing events as they describe the twists and turns of the investigations and the breakthrough moments that led investigators and police to each killer's doorstep.
David Muir ,Amy Robach
ABC News , ABC News Studios
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