It’s a notorious case out of Auburn — a woman convicted of lacing Excedrin painkillers with cyanide that killed two people in 1986, including her husband. Stella Nickell was sentenced to federal prison for 90 years. This week, the now-78-year-old woman filed a petition to be released from prison because of medical reasons. At the time, the story sparked a nationwide recall of Excedrin pills and caused panic across the country. Then, investigators found out that Stella Nickell planted the deadly pills at multiple stores. Now, decades later, in court documents filed this week, Nickell is admitting her guilt and...