I watched the second part and was not that impressed. Louis was chatting to people who had committed some terrible crimes. One person sexual assaulted his mother. One was caught downloading 1000 s of images of illegal porn.
I had hope that he would explore more into why they committed such crimes but it was clear these people are sick and need to be supervised.
I wonder if we are afraid to look deep into the causes incase we find out something we can't handle? Even the patients psychiatrist were just giving out medication. It would have been a good chance to really look into the problem but it just scratched the surface.