Italian Cardinal Tarcisio Bertone kisses the feet of Jesus Christ on the cross as Pope Francis leads the Good Friday Passion of the Lord Mass in Saint Peter's Basilica at the Vatican, March 30, 2018. REUTERS/Max Rossi 

Italian Cardinal Tarcisio Bertone kisses the feet of Jesus Christ on the cross as Pope Francis leads the Good Friday Passion of the Lord Mass in Saint Peter's Basilica at the Vatican, March 30, 2018. REUTERS/Max Rossi 

Italian Cardinal Tarcisio Bertone, a former Secretary of State who was removed in 2013, is pictured at the Vatican February 5, 2018. Picture taken February 5, 2018. REUTERS/Alessandro Bianchi 

Cardinal Tarcisio Bertone (L) celebrates the funeral of the former Archbishop of Boston Cardinal Bernard Law in St Peter's Basilica at the Vatican, December 21, 2017. REUTERS/Max Rossi 

Cardinal Tarcisio Bertone is seen before Pope Francis arrives to set to canonise two priests and two groups of martyrs, including Blessed Cristobal, Blessed Antonio and Blessed Juan, also known as the "Child Martyrs of Tlaxcala", during a Mass in St.Peter's square at the Vatican, October 15, 2017. REUTERS/Alessandro Bianchi 

Italian Cardinal Tarcisio Bertone waves before the arrival of Pope Francis for a meeting with members of the Pontifical Council for Promoting the New Evangelization in the Synod Hall at the Vatican October 11, 2017. REUTERS/Tony Gentile 

Italian cardinal Tarcisio Bertone kisses the crucifix during the Celebration of the Lord's Passion led by Pope Francis in Saint Peter's Basilica at the Vatican April 14, 2017. REUTERS/Stefano Rellandini 

New cardinal Joseph William Tobin of the U.S. (L) has his pastoral ring kissed by Italian cardinal Tarcisio Bertone in Paul VI's Hall at the Vatican following a consistory ceremony led by Pope Francis to install 17 new cardinals November 19, 2016. REUTERS/Stefano Rellandini 

New cardinal Joseph William Tobin of the U.S. (L) is greeted by Italian cardinal Tarcisio Bertone in Paul VI's Hall at the Vatican following a consistory ceremony led by Pope Francis to install 17 new cardinals November 19, 2016. REUTERS/Stefano Rellandini 

Italian Cardinal Tarcisio Bertone waves before the start of a consistory ceremony to install 17 new cardinals led by Pope Francis in Saint Peter's Basilica at the Vatican November 19, 2016. REUTERS/Stefano Rellandini 

Italian Cardinal Tarcisio Bertone talks before the start of a consistory ceremony to install 17 new cardinals led by Pope Francis in Saint Peter's Basilica at the Vatican November 19, 2016. REUTERS/Stefano Rellandini 

Cardinal Tarcisio Bertone walks during the Celebration of the Lord's Passion in Saint Peter's Basilica at the Vatican, March 25, 2016. The Vatican said on Thursday it is investigating two former officials over claims money meant for a children's hospital was used to refurbish a cardinal's luxury apartment. Picture taken March 25, 2016. REUTERS/Alessandro Bianchi 

Pope Francis (C) bows himself in front of Cardinal Tarcisio Bertone during the Ash Wednesday mass, in St. Peter's Basilica at the Vatican, February 10, 2016. REUTERS/Alessandro Bianchi

Pope Francis (R) puts ashes on the head of Cardinal Bertone during the Ash Wednesday mass, in St. Peter's Basilica at the Vatican, February 10, 2016.REUTERS/Alessandro Bianchi

Italian cardinal Tarcisio Bertone (R) talks before the arrival of Pope Francis to lead the traditional greetings to the Roman Curia in the Sala Clementina (Clementine Hall) of the Apostolic Palace, at the Vatican December 21, 2015. REUTERS/Alberto Pizzoli/Pool 

Cardinal Tarcisio Bertone arrives before Pope Francis leads the Vespri prayer in Saint Peter's Basilica at the Vatican April 11, 2015. REUTERS/Alessandro Bianchi

Pope Francis gestures as he speaks with Cardinal Tarcisio Bertone (R) during a consistory as he names 20 new cardinals at the Vatican February 12, 2015.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Pope Francis gestures as he speaks with Cardinal Tarcisio Bertone (R) during a consistory as he names 20 new cardinals at the Vatican February 12, 2015.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION TPX IMAGES OF THE DAY) 

Cardinal Tarcisio Bertone attends the Episcopal Ordination of Monsignor Fabio Fabene (not pictured) at Saint Peter's Basilica at the Vatican May 30, 2014. REUTERS/Giampiero Sposito (VATICAN - Tags: RELIGION) 

Cardinal Tarcisio Bertone attends the Episcopal Ordination of Monsignor Fabio Fabene (not pictured) at Saint Peter's Basilica at the Vatican May 30, 2014. REUTERS/Giampiero Sposito (VATICAN - Tags: RELIGION) 

Cardinal Tarcisio Bertone attends the Episcopal Ordination of Mons. Fabio Fabene at Saint Peter's Basilica at the Vatican May 30, 2014. REUTERS/Giampiero Sposito (VATICAN - Tags: RELIGION) 

Cardinal Tarcisio Bertone (bottom) looks at Pope Francis leading the Episcopal Ordination of Mons. Fabio Fabene (not pictured) at Saint Peter's Basilica at the Vatican May 30, 2014. REUTERS/Giampiero Sposito (VATICAN - Tags: RELIGION) 

Pope Emeritus Benedict XVI is greeted by Cardinal Tarcisio Bertone (R) as he arrives to attend a consistory ceremony in Saint Peter's Basilica at the Vatican February 22, 2014. REUTERS/Max Rossi (VATICAN - Tags: RELIGION) 

Bolivian President Evo Morales (L) shakes hand with Vatican Secretary of State Cardinal Tarcisio Bertone during a meeting at the Vatican September 6, 2013. REUTERS/Riccardo De Luca/Pool (VATICAN CITY - Tags: RELIGION POLITICS) 

Bolivian President Evo Morales (L) talks with Vatican Secretary of State Cardinal Tarcisio Bertone during a meeting at the Vatican September 6, 2013. REUTERS/Riccardo De Luca/Pool (VATICAN CITY - Tags: RELIGION POLITICS) 

Pope Francis (L) embraces Vatican Secretary of State Cardinal Tarcisio Bertone during the Holy Mass for the Assumption of Mary, at the papal summer residence in Castel Gandolfo, south of Rome, August 15, 2013. REUTERS/Giampiero Sposito (ITALY - Tags: RELIGION) 

Pope Francis (L) and Cardinal Tarcisio Bertone step off a plane after returning from their trip to Brazil at Ciampino airport, south of Rome, July 29, 2013. Pope Francis left Brazil on Sunday with Rio still pulsating with excitement after a historic beachfront Mass for more than 3 million people in which he challenged young people to build a new world based on tolerance and love. REUTERS/Alessandro Bianchi (ITALY - Tags: RELIGION) 

Pope Francis (L) and Cardinal Tarcisio Bertone step off a plane after returning from their trip to Brazil at Ciampino airport, south of Rome, July 29, 2013. Pope Francis left Brazil on Sunday with Rio still pulsating with excitement after a historic beachfront Mass for more than 3 million people in which he challenged young people to build a new world based on tolerance and love. REUTERS/Alessandro Bianchi (ITALY - Tags: RELIGION POLITICS TRANSPORT) 

Pope Francis (L) and Cardinal Tarcisio Bertone step off a plane after returning from their trip to Brazil at Ciampino airport, south of Rome, July 29, 2013. Pope Francis left Brazil on Sunday with Rio still pulsating with excitement after a historic beachfront Mass for more than 3 million people in which he challenged young people to build a new world based on tolerance and love. REUTERS/Alessandro Bianchi (ITALY - Tags: RELIGION POLITICS TRANSPORT) 

Pope Francis looks up next to Vatican Secretary of State Tarcisio Bertone as they arrive for a meeting at the municipal theater in Rio de Janeiro, July 27, 2013. Pope Francis urged young people on Friday to change a world where food is discarded while millions go hungry, where racism and violence still affront human dignity and where politics is more associated with corruption than service. REUTERS/Stefano Rellandini (BRAZIL - Tags: RELIGION) 

Cardinal Tarcisio Bertone poses with the President of the United Nations General Assembly Vuk Jeremic (L) during a private audience at the Vatican May 31, 2013 . REUTERS/Claudio Peri/Pool (VATICAN - Tags: POLITICS) 

Mozambique's Prime Minister Alberto Vaquina shakes hands with Vatican Secretary of State Cardinal Tarcisio Bertone (R) following a meeting with Pope Francis at the Vatican April 11, 2013. REUTERS/Alessandro Di Meo/Pool (VATICAN - Tags: RELIGION POLITICS) 

U.N. Secretary-General Ban Ki-moon (L) shakes hands with Vatican Secretary of State cardinal Tarcisio Bertone of Italy during a meeting at the Vatican April 9, 2013. REUTERS/Vincenzo Pinto/Pool (VATICAN - Tags: POLITICS RELIGION) 

Italian cardinal Tarcisio Bertone holds a palm frond during the Palm Sunday mass led by Pope Francis at Saint Peter's Square at the Vatican March 24, 2013. REUTERS/Max Rossi (VATICAN - Tags: RELIGION) 

Italian Cardinal Tarcisio Bertone (R) kisses the ring of Pope Francis during his inaugural mass at the Vatican, March 19, 2013. Pope Francis celebrates his inaugural mass on Tuesday among political and religious leaders from around the world and amid a wave of hope for a renewal of the scandal-plagued Roman Catholic Church. REUTERS/Stefano Rellandini (VATICAN - Tags: RELIGION POLITICS ROYALS ENTERTAINMENT)

Cardinal Tarcisio Bertone of Italy arrives for a prayer at Saint Peter's Basilica in the Vatican March 6, 2013. Catholic cardinals said on Tuesday they wanted time to get to know each before choosing the next pope and meanwhile would seek more information on a secret report on alleged corruption in the Vatican. REUTERS/Max Rossi (ITALY - Tags: RELIGION) 

Italian Cardinal Tarcisio Bertone arrives for a meeting at the Synod Hall in the Vatican March 4, 2013. Preparations for electing Roman Catholicism's new leader begin in earnest on Monday as the College of Cardinals opens daily talks to sketch an identikit for the next pope and ponder who among them might fit it. The idea is to have the new pope elected during next week and officially installed several days later so he can preside over the Holy Week ceremonies starting with Palm Sunday on March 24 and culminating in Easter the following Sunday. REUTERS/Max Rossi (VATICAN - Tags: RELIGION) 

Cardinal Tarcisio Bertone (4th L) reacts as he attends the last general audience of Pope Benedict XVI in St Peter's Square at the Vatican February 27, 2013. The weekly event which would normally be held in a vast auditorium in winter, but has been moved outdoors to St. Peter's Square so more people can attend. The pope has two days left before he takes the historic step of becoming the first pontiff in some six centuries to step down instead of ruling for life. REUTERS/ Alessandro Bianchi (VATICAN) 

Pope Benedict XVI (L) is seen near Cardinal Tarcisio Bertone during Ash Wednesday mass at the Vatican February 13, 2013. Thousands of people are expected to gather in the Vatican for Pope Benedict's Ash Wednesday mass, which is expected to be his last before leaving office at the end of February. REUTERS/ Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Pope Benedict XVI sprinkles ashes on Cardinal Tarcisio Bertone (C) during the Ash Wednesday mass at the Vatican February 13, 2013. Thousands of people are expected to gather in the Vatican for Pope Benedict's Ash Wednesday mass, which is expected to be his last before leaving office at the end of February. REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Cardinal Tarcisio Bertone conducts a mass for the 900th anniversary of the Order of the Knights of Malta, at the St. Peter Basilica in Vatican February 9, 2013.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Cardinal Tarcisio Bertone conducts a mass for the 900th anniversary of the Order of the Knights of Malta at the St. Peter Basilica in Vatican February 9, 2013.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Cardinal Tarcisio Bertone conducts a mass for the 900th anniversary of the Order of the Knights of Malta at the St. Peter Basilica in Vatican February 9, 2013.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Pope Benedict XVI (L) waves during a mass conducted by Cardinal Tarcisio Bertone (R) for the 900th anniversary of the Order of the Knights of Malta, at the St. Peter Basilica in Vatican February 9, 2013.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Pope Benedict XVI waves during a mass conducted by Cardinal Tarcisio Bertone, for the 900th anniversary of the Order of the Knights of Malta at the St. Peter Basilica in Vatican February 9, 2013.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Pope Benedict XVI (L) blesses, flanked by Matthew Festing, Grand Master of the Knights of Malta, during a mass conducted by Cardinal Tarcisio Bertone for the 900th anniversary of the Order of the Knights of Malta at the St. Peter Basilica in Vatican February 9, 2013.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Pope Benedict XVI (L) is greeted by Matthew Festing, Grand Master of the Knights of Malta, during a mass, conducted by Cardinal Tarcisio Bertone, for the 900th anniversary of the Order of the Knights of Malta at the St. Peter Basilica in Vatican February 9, 2013.
REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION) 

Vatican State Secretary Italian Cardinal Tarcisio Bertone (R) bows his head to Pope Benedict XVI during his pastoral visit in Loreto October 4, 2012. REUTERS/Max Rossi (ITALY - Tags: RELIGION) 

The Vatican State Secretary Cardinal Tarcisio Bertone prays as Pope Benedict XVI meets youths in Bkerke in Harissa, near Beirut September 15, 2012. REUTERS/ Stefano Rellandini (LEBANON - Tags: RELIGION POLITICS) 

The Vatican State Secretary Cardinal Tarcisio Bertone (L) smiles before Holy mass at St. Peter's basilica in Vatican June 29, 2012. Pope Benedict XVI imposed Sacred Palladium on newly 44 metropolitan Archbishops during the Holy mass for the Solemnity of St. Peter and Paul. REUTERS/ Stefano Rellandini (VATICAN - Tags: RELIGION) 

Pope Benedict XVI makes his speech flanked by Vatican Secretary of State Cardinal Tarcisio Bertone (R) during a meeting with Milan's authorities and entrepreneurs at the archbishopric in Milan June 2, 2012. The Pope is in Milan for the 2012 World Family Meeting. REUTERS/Luca Bruno/Pool (ITALY - Tags: RELIGION) 

Pope Benedict XVI makes his speech flanked by Vatican Secretary of State Cardinal Tarcisio Bertone (R) and Milan's Archbishop Cardinal Angelo Scola (L) during a meeting with Milan's authorities and entrepreneurs at the archbishopric in Milan June 2, 2012. The Pope is in Milan for the 2012 World Family Meeting. REUTERS/Luca Bruno/Pool (ITALY - Tags: RELIGION) 

Pope Benedict XVI makes his speech flanked by Vatican Secretary of State Cardinal Tarcisio Bertone (R) and Milan's Archbishop Cardinal Angelo Scola (L) during a meeting with Milan's authorities and entrepreneurs at the archbishopric in Milan June 2, 2012. The Pope is in Milan for the 2012 World Family Meeting.
REUTERS/Luca Bruno/Pool (ITALY - Tags: RELIGION) 

Pope Benedict XVI prepares to his speech beside Vatican Secretary of State Cardinal Tarcisio Bertone (R) during a meeting with Milan's authorities and entrepreneurs at the archbishopric in Milan June 2, 2012. The Pope is in Milan for the 2012 World Family Meeting.
REUTERS/Luca Bruno/Pool (ITALY - Tags: RELIGION) 

Pope Benedict XVI arrives for a meeting with Milan's authorities and entrepreneurs, followed by Vatican Secretary of State Cardinal Tarcisio Bertone (back), at the archbishopric in Milan June 2, 2012. The Pope is in Milan for the 2012 World Family Meeting.
REUTERS/Luca Bruno/Pool (ITALY - Tags: RELIGION) 

Vatican State Secretary Cardinal Tarcisio Bertone (R) observes Pope Benedict XVI at La Scala theater during a concert in Milan, June 1, 2012. The Pope is in Milan for the 2012 World Family meeting. REUTERS/Daniel Dal Zennaro/Pool (ITALY - Tags: RELIGION) 

The Vatican State Secretary Cardinal Tarcisio Bertone (L) and the bishop of Milan, Angelo Scola (R) attend a concert at Scala's Theatre in Milan, June 1, 2012. REUTERS/Daniel Dal Zennaro/Pool (ITALY - Tags: RELIGION) 

Pope Benedict XVI, the Vatican State Secretary Cardinal Tarcisio Bertone (C) and the bishop of Milan, Angelo Scola (R) attend a concert at Scala's Theatre in Milan, June 1, 2012. The Pope is in Milan for the 2012 World Family meeting. REUTERS/Daniel Dal Zennaro/Pool (ITALY - Tags: RELIGION) 

Pope Benedict XVI (L), the Vatican State Secretary Cardinal Tarcisio Bertone (C) and the bishop of Milan Angelo Scola (R) attend a concert at Scala's Theatre in Milan June 1, 2012. The Pope is in Milan for the 2012 World Family meeting. REUTERS/Daniel Dal Zennaro/Pool (ITALY - Tags: RELIGION) 

Pope Benedict XVI (bottom), the bishop of Milan Angelo Scola (second from bottom), the Vatican State Secretary Cardinal Tarcisio Bertone and cardinal Angelo Bagnasco (top) attend a concert at Scala's Theatre in Milan June 1, 2012. The Pope is in Milan for the 2012 World Family meeting. REUTERS/Daniel Dal Zennaro/Pool (ITALY - Tags: RELIGION)