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Prosecuting Evil with Kelly Siegler

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About Prosecuting Evil with Kelly Siegler

Prosecuting Evil with Kelly Siegler is a crime and documentary TV series that premiered on Oxygen on November 18, 2023. It has 3 seasons and 19 episodes so far and is still airing new episodes. The latest episode, Season 3 Episode 6, aired on November 7, 2026. The next episode, Season 3 Episode 7, airs on Saturday, November 14, 2026.

A true-crime series examining the most shocking murder investigations and toughest trials in Texas history - all told with Kelly's unique insight and unparalleled access. As Chief of Special Crimes in the busiest courthouse in the Lone Star state, Kelly Siegler battled to get killers into courtrooms to face their formidable defense attorneys. With her own firsthand accounts, alongside investigators and victims' families, Kelly reveals what really happened beyond the newspaper headlines to bring Texas-style justice.

  • Crime
  • Documentary

Last updated

Episodes

19 episodes · 3 seasons

Season 1

2023 · 10 episodes · Last episode: 2 years ago

Prosecuting Evil with Kelly Siegler Season 1 release dates →
  1. Prosecuting Evil with Kelly Siegler S1 E10 still E10

    10. Justice Is Green

    Finale

    A torso found floating in Texas' Galveston Bay leads to the arrest of billionaire Robert Durst; for the first time, Kelly Siegler gets attorneys from both the defense and prosecution to discuss the Texas Trial of the Century.

  2. Prosecuting Evil with Kelly Siegler S1 E9 still E9

    9. Rogue Witness

    Houston police suspect foul play when an elderly couple die in their home, but the case goes cold; years later, a family friend turns on their lover and reveals the shocking truth before testifying in court for prosecutor Kelly Siegler.

  3. Prosecuting Evil with Kelly Siegler S1 E8 still E8

    8. Honor, Jealousy, and Murder

    When a teenage track star sneaks out at night, she finds herself caught in a deadly love triangle; once her body is found in a field, the small town of Mansfield, Texas, becomes wrapped in a sensational tabloid tale of duty, honor and murder.

  4. Prosecuting Evil with Kelly Siegler S1 E7 still E7

    7. The Darkest of Nights

    When best friends 16-year-old Elizabeth Peña and 14-year-old Jennifer Ertman are heinously murdered in 1993, Houston acknowledges they have a gang problem. Kelly Siegler joins the prosecution of an unprecedented five death penalty trials in this shocking case that changed the rights for victims' families.

  5. Prosecuting Evil with Kelly Siegler S1 E6 still E6

    6. The Mask of God

    Grieving mother Kari Baker takes her own life, or so it seems. Her parents start an investigation and secrets emerge about her Baptist minister husband that leaves friends and family wondering if there's more to the story.

  6. Prosecuting Evil with Kelly Siegler S1 E5 still E5

    5. The Cop Who Wouldn't Stop

    In an exclusive Houston neighborhood, an entire family is found dead of an apparent murder-suicide; Sgt. Johnny Bonds takes on the entire justice system to uncover the shocking truth and expose an underworld of murder for hire.

  7. Prosecuting Evil with Kelly Siegler S1 E4 still E4

    4. The Most Innocent Victim

    Amy Robinson, a teenager with Turner's syndrome, had just taken her first steps toward independence by getting a job at her local grocery store; her new endeavor ends in tragedy when she befriends a co-worker with a secret past.

  8. Prosecuting Evil with Kelly Siegler S1 E3 still E3

    3. We Let Evil In

    The search for a missing student yielded no returns until a shocking discovery. In her last year at the DA’s Office, Kelly Siegler helps mediate between Tynesha’s family, a civil rights activist, and law enforcement to help keep the case on track.

  9. Prosecuting Evil with Kelly Siegler S1 E2 still E2

    2. The Wig Shop Murder

    A young man enters a wig shop, stabs three people and flees; a worldwide manhunt finally catches up with the killer and brings him to trial where he and his famed defense attorney face prosecutor Kelly Siegler.

  10. Prosecuting Evil with Kelly Siegler S1 E1 still E1

    1. Theater of Law

    Prosecutor Kelly Siegler uses controversial tactics to demonstrate to a jury how, Susan Wright, a suburban mom, could have planned, tortured, killed and buried her husband, Jeffrey Wright, in their backyard.

Season 2

2025 · 9 episodes · Last episode: 1 year ago

Prosecuting Evil with Kelly Siegler Season 2 release dates →
  1. Prosecuting Evil with Kelly Siegler S2 E9 still E9

    9. The Honor Killings

    The ambush-style murder of a human rights activist confuses investigators. But when her boyfriend's brother is also gunned down, police uncover a plan to commit murders in the name of honor.

  2. Prosecuting Evil with Kelly Siegler S2 E8 still E8

    8. Evil at Large

    A paroled killer linked to the disappearance of young women forces police into a desperate manhunt. This shocking case unfolds against a backdrop of unfortunate legal and parole decisions that set Kenneth McDuff loose to become a serial killer.

  3. Prosecuting Evil with Kelly Siegler S2 E7 still E7

    7. Too Close to Home

    After a police chase ends in tragedy, Special Prosecutor Kelly Siegler returns to her rural roots to seek justice for a murdered game warden and his devastated family.

  4. Prosecuting Evil with Kelly Siegler S2 E6 still E6

    6. A Family Divided

    When former NFL star Antonio Armstrong and his wife, Dawn, are murdered in their own bed, detectives uncover a stray bullet, threatening note and web of complicated family dynamics that ultimately unravel, revealing a dark betrayal.

  5. Prosecuting Evil with Kelly Siegler S2 E5 still E5

    5. The Windshield Murder

    Driving home from a night out at a club, a nurse's aide strikes a homeless man on the freeway. The choices she makes after the crash, and her attempt to keep them a secret, are revealed when friends testify against her in a dramatic trial.

  6. Prosecuting Evil with Kelly Siegler S2 E4 still E4

    4. Senior Citizen Serial Killer

    When an elderly woman survives an attempted murder, investigators connect the dots on the deaths of other local senior citizens where families reported missing jewelry, leading to the hunt for one of the most prolific serial killers in Texas history.

  7. Prosecuting Evil with Kelly Siegler S2 E3 still E3

    3. Prosecuting the Mastermind

    Prosecutor Kelly Siegler and her co-counsel unravel the mysterious hit-style murder of young suburban mom Farah Fratta. To prove the suspect masterminded her murder, Kelly demonstrates how the killer used his church and children as an alibi.

  8. Prosecuting Evil with Kelly Siegler S2 E2 still E2

    2. Murdered in the Line of Duty

    A deadly crime spree hits rural Kaufman, Texas, taking the lives of two prosecutors. The murders set off fear in the community about who's targeting the protectors of justice. The truth hits much closer to home than expected.

  9. Prosecuting Evil with Kelly Siegler S2 E1 still E1

    1. Long Road to Justice

    The murder of Belinda Temple and her unborn baby was Kelly's most contentious case. After years of silence, she sets the record straight about what it took to finally get justice for the victims and their family against an unrelenting defense team.

Season 3

2026 · 10 episodes · Last episode: yesterday

Prosecuting Evil with Kelly Siegler Season 3 release dates →
  1. E10

    10. Episode 10

  2. E9

    9. Episode 9

  3. E8

    8. Episode 8

  4. E6

    6. Episode 6

    New
  5. E5

    5. Episode 5

  6. E4

    4. Triangle Of Guilt

    A young woman vanishes after a night out in Dallas, leading investigators to the home of an aspiring rapper in a twisted love triangle. Following an international manhunt, prosecutors must prove who killed her with no weapon or cause of death.

  7. E3

    3. The Tourniquet Killer

    When DNA breaks open a decades-old cold case, Kelly Siegler finds herself prosecuting one of the most intelligent killers she has ever faced. What begins with one victim exposes the crimes of a monstrous serial killer who escaped justice for years.

  8. E2

    2. Deadly Deception

    The murder of Jamie Faith appears to be a random street shooting until investigators uncover fake identities, thousands of messages and murderous manipulation. Prosecutors must prove how a long-distance relationship led to murder in Dallas.

  9. E1

    1. The Texas Seven

    After seven inmates escape a Texas prison, their crime spree results in the murder of a police officer; a nationwide manhunt leads to six capital murder trials, as one prosecutor must prove how each of the six can be responsible for one murder.

Cast & crew

Created by Dick Wolf

  • Johnny Bonds

    Self - Ret. Sgt., Homicide Div., Houston P.D.

  • Robert Durst

    Robert Durst

    Self - Murder Suspect / Defendant (archive footage)

  • Dick DeGuerin

    Self - Criminal Defense Attorney (archive footage)

  • Mike Ramsey

    Self - Criminal Defense Attorney (archive footage)

  • Chip Lewis

    Self - Criminal Defense Attorney

  • Dr. Elizabeth Loftus

    Dr. Elizabeth Loftus

    Self - Psychologist / Defense Expert (archive footage)

  • Kathryn Casey

    Self - True Crime Author, 'Shattered'

Prosecuting Evil with Kelly Siegler FAQ

When is the next episode of Prosecuting Evil with Kelly Siegler?

The next episode of Prosecuting Evil with Kelly Siegler, Season 3 Episode 7, airs on Saturday, November 14, 2026. Get the Streambay app to be notified the moment it's out.

When did the latest episode of Prosecuting Evil with Kelly Siegler come out?

The most recent episode of Prosecuting Evil with Kelly Siegler, Season 3 Episode 6, aired on November 7, 2026.

How many seasons of Prosecuting Evil with Kelly Siegler are there?

Prosecuting Evil with Kelly Siegler has 3 seasons with 19 episodes in total.

When did Prosecuting Evil with Kelly Siegler first air?

Prosecuting Evil with Kelly Siegler first aired on Oxygen on November 18, 2023.

How do I get notified when new episodes of Prosecuting Evil with Kelly Siegler are released?

Download the Streambay app, follow Prosecuting Evil with Kelly Siegler, and you'll get a push notification the moment each new episode is released.

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