James Lewis was sentenced to prison for the extortion letter. But no one had been charged with the Tylenol murders. Then the FBI got a message. Lewis wanted to talk and help solve the crime. He gave the investigation a creative twist.For exclusive details about the Tylenol Murders and a transcript of this episode, visit <a href="http://www.chicagotribune.com/tylenolmurders">www.chicagotribune.com/tylenolmurders</a>.

James Lewis was sentenced to prison for the extortion letter. But no one had been charged with the Tylenol murders. Then the FBI got a message. Lewis wanted to talk and help solve the crime. He gave the investigation a creative twist. For exclusive details about the Tylenol Murders and a transcript of this episode, visit www.chicagotribune.com/tylenolmurders.

James Lewis was sentenced to prison for the extortion letter. But no one had been charged with the Tylenol murders. Then the FBI got a message. Lewis wanted to talk and help solve the crime. He gave the investigation a creative twist.For exclusive details about the Tylenol Murders and a transcript of this episode, visit <a href="http://www.chicagotribune.com/tylenolmurders" rel="noopener noreferrer">www.chicagotribune.com/tylenolmurders</a>.

Episode 6: Walking Crime Wave

In 1982, the nation was living in fear. One by one people in the Chicago area were dying. No one knew why — or who would be next. Law enforcement mobilized to answer the what, who and why. The what was Tylenol, laced with cyanide, placed randomly on store shelves to kill unsuspecting victims. But the who and the why? That would elude investigators for decades.

If you think you know the story of the Tylenol Murders, think again. Award-winning Chicago Tribune investigative reporters Christy Gutowski and Stacy St. Clair uncover new and critical clues in law enforcement’s latest — and possibly last — attempt at closing one of the nation's most infamous unsolved cases.

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In 1982, the nation was living in fear. One by one people in the Chicago area were dying. No one knew why — or who would be next. Law enforcement mobilized to answer the what, who and why. The what was Tylenol, laced with cyanide, placed randomly on store shelves to kill unsuspecting victims. But the who and the why? That would elude investigators for decades. If you think you know the story of the Tylenol Murders, think again. Award-winning Chicago Tribune investigative reporters Christy Gutowski and Stacy St. Clair uncover new and critical clues in law enforcement’s latest — and possibly last — attempt at closing one of the nation's most infamous unsolved cases.

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Episode 6: Walking Crime Wave

Episode 6: Walking Crime Wave

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