Season 1

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  8.0/10313 votes

  Jenna Wells

  Season 1 Episode 10 - Aired 4/7/2025

  Bex and the team track the brilliant and beguiling Jenna Wells, the notorious Killer Chemist whose therapy in the Pit has made her even more dangerous and deranged.

  Director: Thor Freudenthal

  Writer: JJ Bailey, Jake Coburn

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  7.8/10278 votes

  Tom Beecher

  Season 1 Episode 9 - Aired 3/31/2025

  Bex and the team hunt their most depraved serial killer yet, Tom Beecher, who seeks pleasure in other people's pain.

  Director: Shana Stein

  Writer: Rebecca Bellotto, Paula Sabbaga

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  7.6/10299 votes

  Denise Glenn

  Season 1 Episode 8 - Aired 3/24/2025

  The student becomes the master when an escaped serial killer from the Pit decides to adopt another inmate's style of killing as a way of paying homage to them.

  Director: Nicole Cummins-Rubio

  Writer: Keto Shimizu, David Loong

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  7.4/10395 votes

  Doctor Ezekiel Malak

  Season 1 Episode 4 - Aired 2/24/2025

  Dr. Ezekiel Malak, a hospital psychiatrist turned serial killer, is prowling for new victims in Chicago. Bex and the team work to find a method to his madness in a desperate bid to get ahead of him until Malak makes a move no one saw coming.

  Director: Blackhorse Lowe

  Writer: Unknown

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  7.4/10343 votes

  Roy Barber

  Season 1 Episode 5 - Aired 3/3/2025

  When Bex and the team race to stop Roy Barber, known as the Couples Killer, before he strikes again, they uncover a chilling scheme that puts Roy's crimes in an entirely new light.

  Director: Glen Winter

  Writer: Unknown

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  7.2/10417 votes

  Lowe

  Season 1 Episode 3 - Aired 2/17/2025

  In rural Montana, the team hunts down Lowe, a brutal serial killer obsessed with wolves. Bex and the team must track Lowe through the wilderness while dealing with local Rangers.

  Director: Kristin Windell

  Writer: Michael Jones-Morales

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  7.2/10328 votes

  Arlo Brandt

  Season 1 Episode 6 - Aired 3/10/2025

  Arlo Brandt, a hoarder-turned-serial killer, emerges from the Pit with newly found purpose. As Arlo hunts for innocent victims, Bex and the team must get inside a deranged mind.

  Director: James Bamford

  Writer: Michael Jones-Morales, Vinny Ferris

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  7.2/10310 votes

  Mark Marsden

  Season 1 Episode 7 - Aired 3/17/2025

  Bex and the team race to catch Mark Marsden, known as the Widower, a handsome and charming serial killer who murdered three of his wives in cold blood. Everything changes when Mark decides to take a new bride.

  Director: Rod Hardy

  Writer: Rebecca Bellotto, Paula Sabbaga

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  7.1/10609 votes

  Richard Harris (Pilot)

  Season 1 Episode 1 - Aired 1/19/2025

  When a massive explosion at a top-secret prison known as the Pit allows notorious serial killer Richard Harris to escape, disgraced FBI agent Bex Henderson is called back into action to hunt him down before he kills again.

  Director: Thor Freudenthal

  Writer: JJ Bailey

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  6.8/10448 votes

  Clayton Jessup

  Season 1 Episode 2 - Aired 2/10/2025

  Clayton Jessup, a deranged serial killer who targets happy families, is on the loose and looking to kill again. The team must race against time to stop him before it's too late. Bex learns who she can and can't trust.

  Director: Marcus Stokes

  Writer: Keto Shimizu