The death of convicted sex offender Jeffrey Epstein in a federal prison has sparked countless conspiracy theories. Sharyn Alfonsi has the latest on the investigation. More than 12 million pounds sold in the United States are being used in live stock. Lesley Stahl reports on his this could effect humans. In an interview with Bill Whitaker, international pop star Shakira opens up about her upbringing, her relationship with soccer star Gerard Pique and what goes into her performances. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.