[snakeanus]

I think it should be just as OK as owning and sharing videos of death, murders and of adult people being raped. There is no reason why CP should be better or worse in the eyes of law.

(not justifying CP, just saying that it's just as bad as the above)

[openasocket]

The decision of New York v Ferber spells out why child porn is illegal better than I can (https://en.wikipedia.org/wiki/New_York_v._Ferber)

[Dylan16807]

That explains why the sale is illegal, which is much more straightforward than possession.