For the first time in a decade, there is movement on the Tylenol murders. Investigators traveled to meet with their top suspect in hopes of shoring up the case against him. The Tribune talked to him, too. They outline what evidence investigators say they have against Lewis –– and what they don’t. Is the case bulletproof enough for prosecutors and a jury?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>.

For the first time in a decade, there is movement on the Tylenol murders. Investigators traveled to meet with their top suspect in hopes of shoring up the case against him. The Tribune talked to him, too. They outline what evidence investigators say they have against Lewis –– and what they don’t. Is the case bulletproof enough for prosecutors and a jury? For exclusive details about the Tylenol Murders and a transcript of this episode, visit www.chicagotribune.com/tylenolmurders.

For the first time in a decade, there is movement on the Tylenol murders. Investigators traveled to meet with their top suspect in hopes of shoring up the case against him. The Tribune talked to him, too. They outline what evidence investigators say they have against Lewis –– and what they don’t. Is the case bulletproof enough for prosecutors and a jury?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 8: The PowerPoint

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 8: The PowerPoint

Episode 8: The PowerPoint

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