In October 2003, 39-year-old airline professional Karen Pannell was found stabbed to death inside her Oldsmar, Florida villa. Near her body, written in blood on the kitchen wall, was a single word: “ROC.”
At first, investigators believed they were looking at a dying message — a final act of identification left by a woman who knew she was dying. Karen’s ex-boyfriend, whose nickname was Roc, became the immediate focus.
But the evidence didn’t hold.
In this first episode of a two-part investigation, Dark Dialogue examines how a crime scene that seemed to explain itself slowly unraveled. Forensic analysis revealed the blood writing was staged. Cell-tower data contradicted alibis. Witnesses stepped forward. And a relationship marked by control, deception, and a hidden violent past came sharply into focus.
The discovery of Karen’s body and the initial investigationWhy the bloody message pointed investigators in the wrong directionHow forensic science exposed staging rather than truthThe “exit-ramp danger zone” — the statistically most lethal moment in abusive relationshipsThe early cracks that shifted the case away from a framed suspect and toward the real killerThis is not just a murder story. It’s a case study in how control escalates when it begins to fail, and why leaving an abusive relationship is often the most dangerous step of all.
Part Two will take listeners into the courtroom — where lies collapse, evidence speaks, and accountability is finally forced into the open.
If You or Someone You Know Needs Help
If you are in immediate danger, call 911 (U.S.) or your local emergency number right now.
Confidential support is available 24/7:
National Domestic Violence Hotline (U.S.)
📞 1-800-799-SAFE (7233)
💬 Text START to 88788
🌐 https://www.thehotline.org
National Center for Victims of Crime
📞 855-4-VICTIM (855-484-2846)
🌐 https://victimsofcrime.org
StrongHearts Native Helpline
📞 1-844-7NATIVE (1-844-762-8483)
🌐 https://strongheartshelpline.org
Leaving an abusive relationship is dangerous — but you do not have to do it alone. Advocates can help you create a safety plan tailored to your situation.
How You Can Take Action Beyond Listening
Join the Adopt-a-Victim Program
Help support research, records review, and investigative work for a missing or unsolved case:
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Check Out Our Other Shows
🎙 Dark Dialogue (long-form investigations)
🎙 Dark Dialogue: Shadow Chat Sessions
Available everywhere podcasts are listened to.
Part Two drops next — and the truth doesn’t stay hidden forever.
…and keep the dialogue alive…