The Vatican is invoking sovereign immunity for a cardinal implicated in covering up sex abuse.
Cardinal Luis Ladaria Ferrer, prefect of the Congregation for the Doctrine of the Faith, was summoned to criminal court Sept. 19 to answer for his role in advising Cdl. Philippe Barbarin on how to discipline a predator priest.
https://www.churchmilitant.com/news/article/vatican-refused-to-hand-over-cardinal-accused-of-sex-abuse-cover-up
https://www.churchmilitant.com/news/article/vatican-refused-to-hand-over-cardinal-accused-of-sex-abuse-cover-up