Today in Chicago History: 7 people who took cyanide-laced Tylenol capsules die within 24-hour period

3 verified updates • corroborated by 2 independent sources • tracked since September 29, 2026

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05:01 AM 1 source: Chicago Tribune
Today in Chicago History: 7 people who took cyanide-laced Tylenol capsules die within 24-hour period
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03:01 PM 1 source: chicagotribune.com
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04:01 PM 1 source: Chicago Tribune