1988Stella Nickell was sentenced to 90 years in prison in the first product-tampering case prosecuted under a federal law passed after the Chicago Tylenol murder cases. Nickell’s husband and another person died after Nickell put lethal doses of cyanide into Excedrin capsules. Nickell wasn’t implicated until she filed a wrongful-death action against Bristol-Myers, the drug’s manufacturer. Her motive for the …