From March 3, 2005: Oprah talks to Scott Peterson's half-sister, Anne Bird, about why she feels her brother is guilty of murder. Scott Peterson was the suspect in a very public case for the murder of his pregnant wife Laci and their unborn child in 2005. He was eventually sentenced to life in prison. Anne Bird gives her account of his marriage and his disturbing behavior. She shares when she realized her brother was capable of murder. Anne also discusses her book Blood Brother: 33 Reasons My Brother Scott Peterson Is Guilty.