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Now Playing Could You Spot Someone With a Double Identity?
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Could You Spot Someone With a Double Identity?

Forensic psychology professor Dr. Katherine Ramsland, an expert in serial murderers, discusses a killer’s ability to hide their evil side and maintain a double identity. Find out which case haunts her the most.

Now Playing The Double Life of a Serial Killer
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The Double Life of a Serial Killer

Crime correspondent Melissa Moore opens up about dealing with the backlash from her father, known as the “Happy Face Killer.” Plus, she shares why it’s difficult for her to understand how he compartmentalized being a father and a predator.

Now Playing Are Serial Killers Capable of Remorse?
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Are Serial Killers Capable of Remorse?

Melissa Moore opens up about the heartfelt letter she wrote to her father and reveals the shocking way he responded. Plus, Dr. Katherine Ramsland explains how killers have a lack of remorse that allows them to move on and live with their crimes.

Now Playing The Father Who Was Secretly a Serial Killer
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The Father Who Was Secretly a Serial Killer

Dr. Oz investigates Robert Lee Yates, a father of five and decorated war hero, who had been soliciting prostitutes and murdering them. Yates’ daughter Amber recalls the shock of finding out he was a serial killer.

Now Playing How One Woman Discovered Her Father Was a Murderer
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How One Woman Discovered Her Father Was a Murderer

Amber Yates recalls the day she found out her father had buried a victim at their home. Then, she shares what hit home with her when she found out that he had murdered various prostitutes. Find out the parallels between Amber and Melissa Moore.

Now Playing Bearing the Burden of a Father’s Crimes
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Bearing the Burden of a Father’s Crimes

Amber Yates opens up about being shunned by her community because of her association with her father. Plus, Moore shares how Amber is doing on her mental health journey. Then, Dr. Ramsland expores the brain of a killer.

Now Playing The Woman Who Forgave Her Father for Murder
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The Woman Who Forgave Her Father for Murder

Amber Yates opens up about her decision to forgive her father and her relationship with him while he’s in prison. Then, crime correspondent Melissa Moore explains the difficulty to stop loving a parent even if they are a killer.

Now Playing How Abuse Impacts Murderers
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How Abuse Impacts Murderers

Dr. Ramsland addresses the influence of abuse on killers. Plus, she discusses how necrophilia is not an excuse for killing. Find out how Amber feels about the accusations against her father and the death penalty.

Now Playing How a Head Injury Changed One Man
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How a Head Injury Changed One Man

Cindy Brown, the ex-wife of notorious serial killer Bobby Joe Long, shares what their relationship was like prior to his crimes and what changed his behavior. Plus, she recalls the moment he told her that he had raped and murdered 10 women.

Now Playing What Almost Pushed a Wife to Kill Her Husband
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What Almost Pushed a Wife to Kill Her Husband

Cindy Brown shares how her husband’s entire demeanor changed after his motorcycle accident. Plus, she opens up about her visit to the hospital because of his abuse. Find out why she regrets not killing him.

Now Playing True Crime: The Science of Double Identity: I Had No Idea My Loved One Was a Serial Killer
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True Crime: The Science of Double Identity: I Had No Idea My Loved One Was a Serial Killer

We investigate the science behind serial killers who hide their dark sides from their families and live secret lives. Real women share stories of how they uncovered the shocking truths about their loved ones.

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Could You Spot Someone With a Double Identity?
Originally aired on 12/04/2018

Forensic psychology professor Dr. Katherine Ramsland, an expert in serial murderers, discusses a killer’s ability to hide their evil side and maintain a double identity. Find out which case haunts her the most.

Guests: Katherine Ramsland , Melissa Moore , Amber Yates , Cindy Brown

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