In his first "Urbi et Orbi" (to the city and the world) message, Francis also called for peace between Israelis and Palestinians, an end to the civil war in Syria, and political solutions to conflicts in several African countries.
The former Cardinal Jorge Bergoglio of Argentina also condemned the "iniquitous exploitation of natural resources" and urged everyone to be "guardians" of creation.
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They made it across a deadly sea this year, but their journey to what they hope will be political asylum had only just begun.
Scientists used modern forensic techniques to review the 'cold case' and determine the victim was probably killed by two blows to the head.