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A quiet Ohio neighborhood is shattered when a 64-year-old woman is found brutally murdered, leading investigators to uncover a disturbing truth about her 13-year-old neighbor's dark online obsession with serial killers.
Denise Tenpenney was found murdered in her home with signs of struggle and attempted cleanup, but no forced entry.
DNA evidence and a discarded watch linked the crime to 13-year-old neighbor Levi Cart.
Levi's online history revealed a deep fascination with serial killers, sadism, and a history of animal cruelty, suggesting a premeditated, disturbing motive.

Summary

Denise Tenpenney, a 64-year-old accountant, was found murdered in her Fairfax, Ohio home on February 2nd, 2025, by her brother. The scene indicated a violent struggle, sexual assault, and an attempt to clean up, with multiple cleaning supplies found near her body. Initial investigations yielded no forced entry, suggesting Denise knew her killer. DNA evidence found under Denise's fingernails and a watch left at the scene eventually led detectives to 13-year-old Levi Cart, a neighbor across the street. During interrogation, Levi spun a flimsy story about cat scratches causing his injuries, but his twin brother identified the watch as Levi's. A search warrant revealed Levi's disturbing online history, including searches for 'causes of being sadistic,' 'knife fighting classes,' and 'Ted Bundy diagnosis,' along with journal entries expressing violent intentions and a history of harming animals. Levi pleaded guilty to aggravated murder and other charges, receiving incarceration until age 21, leaving his future as an adult killer uncertain.
This case highlights the hidden dangers within seemingly safe communities and the alarming impact of online content on vulnerable youth. It underscores the critical need for vigilance regarding children's online activities and mental health, as a fascination with violence and serial killers can escalate into real-world tragedy, leaving families and communities devastated.

Takeaways

  • 64-year-old Denise Tenpenney was found dead in her Fairfax, Ohio home, stripped naked with a pillow over her head, indicating murder.
  • The crime scene included cleaning supplies, a bent knife, a box cutter, and a trail of the killer's blood leading out the back door.
  • Denise's family stated she was extremely cautious and would not let strangers into her locked home, suggesting she knew her attacker.
  • DNA under Denise's fingernails and a watch found on her bed became crucial evidence.
  • Detectives identified 13-year-old neighbor Levi Cart through DNA, despite his fabricated story about cat scratches.
  • Levi's online searches included 'causes of being sadistic,' 'knife fighting classes,' and 'Ted Bundy diagnosis,' alongside images of fictional serial killers.
  • Levi's journal contained violent threats, and he confessed to harming animals with a knife, indicating a pattern of disturbing behavior.
  • Levi pleaded guilty to aggravated murder and will be incarcerated as a juvenile until age 21.

Insights

1The Brutal Discovery and Initial Investigation

On February 2nd, 2025, Denise Tenpenney's brother found her dead in her Fairfax, Ohio home. She was naked, covered with a pillow, and showed signs of blunt force trauma, strangulation, and suffocation. The scene also contained cleaning supplies, a bent kitchen knife, a box cutter, and a trail of blood leading from the bedroom to the back door. No forced entry was detected, leading investigators to believe Denise knew her killer, as she was known for her cautious nature and always keeping her doors locked.

911 call from brother (), description of the scene (, ), lack of forced entry (, , ), family testimony about Denise's cautiousness (, ).

2DNA and a Watch Lead to a Juvenile Suspect

The medical examiner found DNA under Denise's fingernails, indicating she fought back. An unidentified watch was also found on her bed. After canvassing the neighborhood and collecting DNA swabs, detectives found a match: 13-year-old Levi Cart, who lived directly across the street. During interrogation, Levi claimed scratches on his face and arms were from his cat, and denied ever being in Denise's house or owning the watch. However, his twin brother immediately identified the watch as Levi's, and the blood trail from Denise's house matched Levi's DNA.

DNA under fingernails (), unidentified watch (, ), Levi's DNA match (, , ), Levi's cat scratch story (, ), twin brother identifying watch ().

3A Disturbing Online History Reveals the Motive

A search warrant of Levi Cart's property uncovered a chilling online history and personal journal entries. Just days before the murder, Levi searched 'causes of being sadistic' and 'knife fighting classes.' On the day of the murder, he searched 'Fairfax Police Department.' Six days later, he searched 'What was Ted Bundy diagnosis?' His camera roll contained screenshots of articles about serial killer methodology and images of fictional killers like Patrick Bateman and Dexter Morgan. He also admitted to consistently harming and killing animals with a knife, and his journal expressed violent intentions, indicating a premeditated desire to commit murder.

TikTok conversations about lack of empathy (), mother's journal entries about Levi's therapy (), Levi's admission of harming animals (, ), searches for sadism and knife fighting (, ), search for Fairfax Police Department (), search for Ted Bundy diagnosis (), screenshots of serial killer content (), journal entry 'I will kill you and kill her' ().

Quotes

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"She's got her head covered with a pillow, her legs exposed, and she's been stripped naked."

911 Dispatcher (relaying caller's info)
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"I think my sisters might have been murdered. And with no signs of forced entry, Denise must have known her killer."

Narrator
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"There's only one person here that knows and that's you."

Detective
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"I have a large lack of empathy because of my childhood."

Levi Cart (via TikTok message)
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"I've killed animals before on my own with a knife."

Levi Cart (via TikTok message)
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"You didn't just take one life, you destroyed an entire family."

Denise's Family Member

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