From Australian country towns, to schools in Ireland and cities across the US, the Catholic Church has faced an avalanche of child sexual abuse accusations in the last few decades.
Recent high-profile cases and harrowing testimony given to public inquiries have kept the issue in the headlines.
Meanwhile alleged cover-ups continue to dog the Church, and victims groups say the Vatican has not done nearly enough to right its wrongs.
Here's what you need to know,
http://www.bbc.com/news/world-44209971
http://www.bbc.com/news/world-44209971