executions in u.s. history shall proceed. reporter: she is a 41-year-old grandmother who sings gospel hymns in prison. i need a miracle reporter: and she is now in the center of america s national debate over the death penalty. in a phone interview with cnn, teresa lewis spoke of her remorse. i am so sorry from deep in my heart. if i could take it back, i would in a moment. reporter: she is talking about the 2002 murders of her son julian and stepson, and she pleaded guilty in their killings. she is the 12th woman to be put to death since capital punishment was reinstated in the u.s. 34 years ago. virginia with the second busiest death chamber in the u.s. has not executed a woman since 1934. i spoke with richard dietrich who opposes to execution.