Between September 29 and October 1, 1982, seven people in the Chicago area mysteriously died after taking extra-strength Tylenol capsules. What began as a public health investigation transformed into a criminal probe that revealed that the victims had been poisoned—the Tylenol capsules that they had ingested were laced with cyanide. This highly toxic chemical can cause death within minutes. Tylenol was a behemoth in the over-the-counter pain relief category, widely used by American consumers and regularly recommended by physicians. As a result of the coverage of what would become known as the Tylenol Murders, market share fell from 35% to less than 10% literally overnight….