At Kilmarnock Sheriff Court, Mhari Mair, prosecuting, said one of Mullen's own Facebook friends alerted police to the comments he had made about the murdered schoolgirl.
they would have been absolutely devastated.
The pair had been in a three-way Facebook conversation, with each "trying to be more shocking than the other", the court had heard.
I disagree wtih what you say but I will defend to the death your right to say it
agreed with Sheriff McDonald's remark that Mullen's behaviour was "absolutely appalling"