HomeKrimidexChicago Tylenol MurdersConceptChicago Tylenol MurdersDefinitionRead moreThe Chicago Tylenol Murders — Unsolved 1982 PoisoningsThe Chicago Tylenol Murders are an unsolved 1982 product-tampering case in which cyanide-laced Extra Strength Tylenol capsules killed at least seven people across the Chicago area.Related articlesThe Chicago Tylenol Murders — Unsolved 1982 PoisoningsThe Chicago Tylenol Murders are an unsolved 1982 product-tampering case in which cyanide-laced Extra Strength Tylenol capsules killed at least seven people across the Chicago area.