This episode originally aired August 22, 2019. While in high school, Marie Robards suffered the devastating loss of her father to cardiac arrest but Marie had a secret.

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This episode originally aired August 19, 2019. War criminals who moved to the United States are captured many years later thanks to forensic technology.

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This episode originally aired August 15, 2019. A Canadian scam-artist, Albert J. Walker, assumes the identity of co-worker Ronald Platt as part of a money-laundering scheme. Platt later turns up dead and the only clues to his real identity are a Rolex watch and a maple leaf tattoo.

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This episode originally aired August 12, 2019. A brilliant young architect became ill and died just before she was to testify in a criminal trial. The autopsy revealed she'd been poisoned with arsenic; it was a slow and painful death, so suicide was unlikely. Investigators had to determine who among her family, friends and business associates had a motive for murder.

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This episode originally aired August 8, 2019. A murder mystery theater performance turns into a real life whodunit when a badly burned body is discovered after the performance.

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This episode originally aired August 5, 2019. The year was 1984, and a serial killer was on the loose in Florida. Eight women had been found dead. At each crime scene, investigators found tiny red fibers, fibers they hoped would lead them to the killer.

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This episode originally aired August 1, 2019. A woman disappears without a trace; even though foul play is suspected, the leads don't pan out and the trail turns cold. Twenty years would pass before police are able to link a clump of hair discovered in an isolated area with the missing woman. Members of "NecroSearch," a group of volunteer forensic scientists, searched a remote area of Colorado a meter at a time, found the victim's body, and gave authorities the evidence they needed to bring the killer to justice.

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This episode originally aired July 29, 2019. Police find an abandoned car on a busy Philadelphia highway; later, strange marks on the driver's body lead police to her killer.

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This episode originally aired July 25, 2019. A young woman was killed in a senseless act of revenge. Could police identify the killer through a fingerprint on cloth?

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This episode originally aired July 22, 2019. The huge amount of blood at the crime scene spoke of the violence of the attack; investigators describe it as "overkill," and it's usually an indication that the victim knew the attacker. Police hoped that, during the struggle, the killer had left some of his own blood - and his DNA - behind. Their challenge was to find it.

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This episode originally aired July 18, 2019. When hunters reported finding a skull in a Texas canyon, police immediately began an investigation. At the scene, they found bits of clothing, a woman's shoe, some small bones and a strand of hair. An anthropologist determined the victim was a Caucasian woman, and that she'd been stabbed repeatedly. A forensic artist reconstructed her face, and the image was released to media. Eventually, police learned who she was. Now all they had to do was find her killer.

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