If you are arguing for the banning of sharing of videos of murder created by the murderer, then your initial comparison to CP is off. In any case, the general

If you are arguing for the banning of sharing of videos of murder created by the murderer, then your initial comparison to CP is off. In any case, the general idea of banning access to and possession or distribution of evidence of crime creates an insane power imbalance that I don't think can ever be justified, unfortunately, by the obviously extremely unfortunate things you mention above.