The article whistlelock linked conveys the same general information, and for free! I doubt you read the Guardian much, I don't either, but this article some additional takes on the matter at large:
https://www.theguardian.com/world/2018/mar/28/pope-no-apology-canada-indigenous-schools-abuse
I for one think Francis is making the right call, though you didn't ask for that opinion, haha.