Sister Helen Prejean is a Roman Catholic nun and author known for her work in the anti-death penalty movement. Born on April 21, 1939, in Baton Rouge, Louisiana, she became a member of the Sisters of St. Joseph and dedicated her life to social justice and advocacy for the marginalized. Her experiences with death row inmates inspired her to write the book "Dead Man Walking," which highlights the moral and ethical issues surrounding capital punishment. In addition to her writing, Sister Helen has served as a spiritual advisor to several death row inmates, including Patrick Sonnier, whose story is central to her book. She has traveled extensively to speak about the death penalty and has worked with various organizations to promote awareness and reform. Her efforts have made her a prominent figure in the conversation about justice and human rights.