As much as it must be awful for the mother to relive the tragedy, he has a right to appeal if he feels he has not been treated fairly.
dessiesgirl- Did you ever stop to think that maybe just maybe he is appealing just to control his ex wife? Making her live through that horrible ordeal again and again and again. So far he has had TWO trials and was found guilty both times by a jury of his peers, and a few appeals that haven't done him any good. Each and every time his ex wife has to come in and give evidence again. All the Evidence points to the fact that this wasn't an accident.