January 1974. Four members of a family are killed in their home in Wichita, Kansas. Investigators are mystified. Nothing like this has ever happened before in Wichita. Little did they know, this was just the beginning. 

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‘Monster: BTK’, the newest installment in the ‘Monster’ franchise, reveals the true story of the Wichita, Kansas serial killer who murdered at least 10 people between 1974 and 1991. Known by the moniker, BTK – Bind Torture Kill, his notoriety was bolstered by the taunting letters he sent to police, and the chilling phone calls he made to media outlets. BTK’s identity was finally revealed in 2005 to the shock of his family, his community, and the world. He was the serial killer next door.

The first two episodes are available on January 13th here. For an ad-free binge experience subscribe to iHeart True Crime+.

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Investigators finally put a name and face to the Zodiac. The prime suspect is revealed. 

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A close encounter with the Zodiac sends investigators to Riverside, California.

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After an impromptu TV appearance, the Zodiac fights to stay in the limelight 

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Zodiac is making threats which now target children. And he says he’s making a bomb. 

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Zodiac moves to the City by the Bay 

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Who is this man in a medieval mask? 

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Three nearly identical letters, each containing one-third of a 408-symbol cryptogram, arrive at three Bay Area newspapers. 

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All small towns have their secrets. 

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Christmastime, 1968. All was not calm, all was not bright. 

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Who is the Zodiac and where is he? Season 2 launches January 3, 2019. 

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A new season. A new monster. Coming January 13th... MONSTER: BTK. Binge all previous season of Monster now! [Listen]

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More suspects bring more questions.

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A frightening final theory.

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New technology brings fresh hope to the Zodiac case. But what if it's still a dead end? 

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Fascination leads beyond obsession, as a new Zodiac emerges in New York City. 

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New theories bring new suspects. But for many independent investigators, those theories are truth. 

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Toschi's investigation led to a dead end, but independent investigators are chasing down other leads. 

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What if the story you've heard about the Zodiac is not the real story? It's time to separate fact from fiction. 

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