How many people did Billy Chemirmir actually kill? Will we ever know?

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After the shocking mistrial of November 2021, families go back to the courthouse in Dallas. Will justice be served this time?

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Why did so many well-trained investigators miss the killing spree of Billy Chemirmir? And what does that mean for other unsolved murders?

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Was Billy Chemirmir a brilliant criminal mastermind? Or just lucky enough to slip through the cracks of a broken patchwork system?  More importantly, which reality is more terrifying?

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Should Billy Chemirmir be put to death for killing dozens of older adults in and around Dallas? That's what prosecutors had to decide in early 2019.

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The morning after Mary Bartel was attacked, police identify a suspect in her attempted murder. His arrest leads them to one last body.

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Despite suspicions from several grieving daughters, nobody realizes there's a murderer roaming the halls of another luxury senior community.

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Years before serial killer Billy Chemirmir was arrested, a lone security guard began putting the puzzle pieces together. But he was ignored.

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When two women are left for dead in a Dallas apartment building, one of the women survives, leading police on the unexpected trail of the city's worst serial killer.

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Wes Ferguson tells us about a new podcast you won't want to miss from our friends at Texas Monthly called "The Problem with Erik."

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The Unforgotten, Season 2: Unnatural Causes investigates the worst serial killer in Dallas history. In 2016, healthy, active women began to drop dead in Dallas's most exclusive senior living communities and their own homes. Because of their age and where they lived, officials assumed that heart attacks, strokes and other natural causes were to blame. It wasn't until years later, after a woman survived and told police she'd been attacked by a man who tried to smother her with a pillow, that police realized what was actually happening. One of Texas's most prolific serial killers had gone completely undetected. Why were officials so quick to brush aside the deaths as natural? How did the killer use the cracks of a broken system to target some of society's most vulnerable people? And how can we be sure it doesn't happen again?

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