The investigation would cover every branch of the Vatican administration, the AFP news agency cites Giovanni Maria Vian, director of L'Osservatore Romano, as saying.

BBC: Vatican launches criminal probe into unauthorised leaks

Pope John Paul II had wanted a residence inside the Vatican walls to host contemplative religious orders, and over the years several different orders have come for spells of a few years, said Giovanni Maria Vian, editor of the Vatican newspaper L'Osservatore Romano.

NPR: Vatican Sends Message: Pope's Retirement For Real

The other saints to be named include Frenchman Jacques Berthieu, a Jesuit who was executed in Madagascar in the 19th century, and another Catholic martyr in the Philippines, Pedro Calungsod, as well as Giovanni Battista Piamarta, Maria Carmen Salles y Barangueras and Anna Schaffer.

CNN: Pope names first Native American saint