Plot: In an exclusive interview, Oprah goes behind bars at the Orangeburg-Calhoun Regional Detention Center in Orangeburg, South Carolina, to talk to Shaquan Duley, a mother who confessed to murdering her two young sons, 2-year-old Devean and 18-month-old Ja'Van, on August 16, 2010. Although she initially claimed her sons drowned in a car accident, she later confessed to smothering them and then driving them into a river to cover up what she'd done