Yes, that is what I thought. The scripture includes,"Forgive them for they know not what they do."
John Ramsey repeated a concept out of the Bible so why did he choose that one when, clearly, the Christian concept of salvation is a free gift given by those who confess their sins and seek forgiveness. Ramsey's thinking, apparently, is that there is no sin to forgive if you aren't aware of sinning.
Of course, imo, John implied that Jesus asked for forgiveness for the executers.
This is getting deep but it truly seems he and Patsy (according to the response she gave) believed the killers were eternally safe in God's eyes. Their response is certainly no where near typical of most parents of a murdered child.