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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Sharing a special preview episode from Final Days on Earth with Claire St. Amant. Greg Williams was a successful tech entrepreneur living a quiet life with his family in a Fort Worth suburb. Until one night in 2011, when his whole world came crashing down. Greg had been shot in cold blood, as he lay sleeping in bed. His wife and business partner, Michele, called 911, alleging an intruder had fired the fatal shot. What really happened to Greg Williams, and who is responsible for his death? Join award-winning journalist Claire St. Amant as she re-examines the complicated murder investigation, where Greg's case is only the beginning.

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Our investigation brings us to Jerry Mack's front door.

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