He acknowledges "personal failures" in mishandling cases of abuse and says the Church in Germany is in "crisis."
In the second volume of his “Prison Journal,” he shares how he received support from the prison chaplain, who he says even murderers respected.
The documentary showcases the lives of people like Jonas who, after an accident at 26 years of age, was left without arms.
Details of the painted ceiling in the church of St Ignatius of Loyola in Rome are now available on the internet.