Unrestorable artwork

True Crime · iHeartPodcasts

Unrestorable

by iHeartPodcasts

On a January night in 1995, 18-year-old Christa Pike and two other teenagers lured 19-year-old Colleen Slemmer to a secluded area near the University of Tennessee, Knoxville. They taunted, beat, and slashed Colleen, carving a pentagram into her chest, before Christa picked up a piece of concrete and smashed Colleen’s skull, killing her. Those salacious details stood out during a national Satanic Panic over ritual abuse and suburban cults. The Knoxville News Sentinel later accused Christa of killing “for love and Satan.” She was convicted of first-degree murder and sentenced to death by electrocution—one of the youngest women ever to be sentenced to death in the United States.   Thirty years later, Christa is still alive, incarcerated at a Nashville prison and the only woman on death row in Tennessee. She has spent much of her adult life in solitary confinement. In the decades since the murder, evolving understanding about brain science and trauma have cast Christa’s wildly violent act—and death sentence—in a new light. We now know that the brain of an 18-year-old remains underdeveloped and impulsive. Christa has a horrific history of abuse, violence, and family neglect; the first time she attempted suicide, she was 9 years old. That kind of trauma can arrest healthy development, leading some young adults down a disastrous path.    As Christa approaches her final appeals, a team of state and federal defenders are urgently trying to save Christa’s life. Her date of execution could be set any time. If executed, she will be the first woman killed by Tennessee in almost 200 years. Should a woman who committed a violent crime as a damaged teenager be granted a chance at rehabilitation? And is justice best served through retribution or mercy?

Latest episodes

Showing 19 · updated from the feed

Introducing: What Happened to Her

Hi, Unrestorable listeners! We're excited to share with you a sneak peek at iHeartPodcasts' latest release, What Happened to Her!   What Happened to Her: For four sea

Sep 30
1 min

Episode 8 – Mercy

Christa and her attorneys grapple with a recent announcement by the Tennessee Supreme Court. See omnystudio.com/listener for privacy information.

Oct 29 2025
36 min

Episode 7 – Justice

Beth and Sarah talk to Colleen’s mother about whether justice is even possible in this case. See omnystudio.com/listener for privacy information.

Oct 22 2025
28 min

Episode 6 – The Lawyers

Defending “the worst of the worst” can take a sizable emotional toll–but it also reinforces a sense of shared humanity.   See omnystudio.com/listener for privacy infor

Oct 15 2025
26 min

Episode 5 - Christa Fights to Stay Alive

As the decades-long effort to overturn her death sentence runs out of time, Christa and her legal team try to prove that she’s a changed person. See omnystudio.com/liste

Oct 8 2025
29 min

Episode 4 - In Solitary

Christa looks back on her early years on death row when she struggled with undiagnosed mental health issues and the role it played in the fight to save her life. See omn

Oct 1 2025
24 min

Episode 3 - The Trial

We learn what the jury and public didn’t know about Christa, her attorneys, and their trial strategy. See omnystudio.com/listener for privacy information.

Sep 24 2025
25 min

Episode 2 - Knoxville Reels

As details of the murder leak, the Knoxville community is shocked by what 18-year-old Christa allegedly did to Colleen. See omnystudio.com/listener for privacy informati

Sep 17 2025
21 min

Episode 1 - Christa and Colleen

Months after two teens enroll at Knoxville’s JobCorps program, one is dead and the other is charged with murdering her. See omnystudio.com/listener for privacy informati

Sep 10 2025
24 min

Introducing... Unrestorable Season 2: Proof of Life

In January 1995, 18-year-old Christa Pike killed 19-year-old Colleen Slemmer in the woods of Knoxville, Tennessee–and 30 years later, she’s still on death row. Proof of L

Sep 3 2025
3 min

Episode 8 – Justice

Troy ponders his next moves as he searches for broader accountability for the loss of his two children. See omnystudio.com/listener for privacy information.

Nov 15 2023
28 min

Episode 7 – Lost

While Catherine’s case remains mired at the intersection of the criminal justice and mental health systems, one overarching question remains: What happened to Sarah and J

Nov 8 2023
30 min

Episode 6 – The Decision

The judge prepares to rule in Catherine’s competency hearing. Will Troy finally get the justice he’s been seeking for almost a decade? See omnystudio.com/listener for pr

Nov 1 2023
22 min

Episode 5 – The Ticking Clock

After years of advocacy by Troy, a judge finally decides to hear testimony from sworn witnesses about Catherine’s competency, and may even question Catherine directly. Bu

Oct 25 2023
25 min

Episode 4 – Faking It?

Catherine is treated in a state-run psychiatric hospital after being found incompetent to stand trial. But Troy and others raise questions about whether she’s faking it t

Oct 18 2023
33 min

Episode 3 – Incompetent

Catherine is charged with the disappearance of her children, but a judge finds she is incompetent to stand trial. What does this mean for Troy’s search for his kids and p

Oct 11 2023
22 min

Episode 2 – Missing

When Troy realizes his youngest children are missing, can he depend on their mother to help him find them? See omnystudio.com/listener for privacy information.

Oct 4 2023
26 min

Episode 1 – Crisis

A mentally ill mother. A family in crisis. And a father’s worst nightmare. See omnystudio.com/listener for privacy information.

Oct 4 2023
30 min

Introducing: Unrestorable

See omnystudio.com/listener for privacy information.

Sep 27 2023
2 min

Chart positions

Where Unrestorable ranks today in each Apple Podcasts chart (US, Oct 1, 2026).

#156 NEW True Crime US

What listeners say

A curated, balanced selection of Apple Podcasts reviews.

This was a truly heartbreaking story. I wanted to jump through my phone and give Troy the biggest hug in the world. I don’t know how he’s gone through all of this and still keeps his chin up. It has to be so incredibly painful and frustrating. I hope someday he gets all of his answers. Well put together. I couldn’t wait to listen to the whole thing.

Shessomagic · Sep 2024

This is a great compelling podcast! Listening to each episode, I couldn’t wait to hear the next episode unfold. It’s a heartbreaking story to know Troy has lost his two young children & will never know what happened to them, will never see them again or will never have closer! It’s very disappointing to hear that Catherine was not able to be held accountable for her actions & the tragic events of her missing children. The court system needs more accountability & justice.

Bjunebug · Sep 2024

I personally really feel for the dad- for whatever dysfunction in the parents relationship, he obviously loved his kids very much and took great care of them. The wife’s parents tried to help too. Yes, there are many other points to be made regarding metal illness, pp depression, etc., but the fact remains that this was a family trying to manage this women’s illness & they deserve answers as to what happened to these children. The dad is a victim, his kids are gone. Be kind.

AmyCoop2 · Jun 2024

I struggled a lot listening to this podcast as it seems there was no real journalistic push to fully understand the events. This entire podcast is based off one side of a story where the narrator of that story is pretty unreliable. Troy is obviously very angry and was really more focused on seeing punishment for Catherine and his statements and interviews during this podcast made me feel like he definitely left out details. On top of an unreliable narrator, this podcast was very surface level, and made a few statements that were pretty questionable and made me wonder if the team actually understood the mental health events that we’re taking place in Catherine’s life. Overall, it’s questionable at best and a skip from me.

lucyraeee · Jun 2024

I found this to be incredibly one sided in terms of the coverage. We hear nothing of the mother’s side of this story. I understand that they weren’t able to reach her for an interview, but with the content and tone of this podcast towards mental illness it’s not difficult to understand why she refused. The story states that she was so mentally unstable and ill that she couldn’t be left alone with the children, but also that she was faking it and wanted to murder them for apparently no reason? The podcast didn’t even try to offer any actual insight on her mental illness beyond demonizing her as a person. Mental illness isn’t something a person can turn on and off at will. She either was mentally ill or she wasn’t; but this podcast tries to establish both as true. It just doesn’t work that way.

Done with this. · Jun 2024

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