The Postcard Killer Who Mocked Police

In the early 1900s, long before criminal profiling or modern forensics, one killer changed true crime forever. John Frank Hickey — known as The Postcard Killer — didn’t just murder. He wrote letters.

In this chilling episode of Serial Killer Files by Skoob, we uncover the terrifying story of a man who taunted police, tormented grieving families, and mailed detailed confessions of his crimes. From his violent childhood and first calculated murder to the brutal killing of seven-year-old Joey Joseph, Hickey’s postcards revealed a mind driven by control, manipulation, and a disturbing need to be seen.

You’ll hear how investigators tracked him through handwriting analysis, how his own letters sealed his fate, and why this case is considered one of America’s earliest serial killer investigations. Even more disturbing are the unanswered questions — how many victims were there really, and how close did he come to getting away with everything?

Before modern crime labs… before criminal psychology… there was The Postcard Killer.

Before we dive in, don’t forget — you can access all Skoob shows, bonus content, and exclusive deep-dive episodes on the Skoob App, and through https://linktr.ee/skoob.ai

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Tune in for more thought-provoking stories, deep dives, and true crime cases that keep you hooked.

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