The Pope's former butler is accused of aggravated theft. If found guilty, he could face up to six years in prison.
The alleged accomplice, Claudio Sciarpelletti, who worked as a computer technician at the Vatican's Secretariat of State, is also accused of playing a role in the leak of confidential documents.
This tribunal includes three judges, all of whom are secular. Their profile is usually that of Italian experts in law, who are also university professors.
At this point it seems that no cameras will be allowed inside the court room, but journalists, will be granted access.