Mandatory Credit: Photo by Jesus Hellin/SOPA Images/REX/Shutterstock (10102757d) Protests outside the Supreme Court to support Pro-independence Catalonia leaders. Proces of Catalonia trial, Barcelona, Spain - 12 Feb 2019 The Criminal Chamber of the Supreme Court starts this Tuesday, February 12, judging 12 catalonia pro-independence leaders by the so-called 'Proces' in Catalonia.