Sr. Helen Prejean: Talking About Life, Death and Social Justice Mary Hayes Grieco  signing her powerful book Unconditional Forgiveness Sister Helen began her prison ministry in 1981 when she dedicated her life to the poor of New Orleans. While living in the St. Thomas housing project, she became pen pals with Patrick Sonnier, the convicted killer of two teenagers, sentenced to die in the electric chair of Louisiana's Angola State Prison. Upon Sonnier's request, Sister Helen repeatedly visited him as his spiritual advisor.…