His confessions come from the terror of death. Her absurd kindness is based on self-absorbed religious beliefs and human arrogance. It proves even excellent acting could not be politically or morally persuasive on the necessity of death penalty.
A lot of important details are not well-told that in the end, the narrative arc seems very forced and underestablished. The ending, too, is overwhelming, as the movie failed to showcase how much a landmark the case really was in American history. The acting is also...how can I see, a bit too formulaic.