BRUCE Morcombe said tonight would be a time for reflection, not celebration, as he welcomed the appeal dismissal in his son's case.
He said he had mixed emotions about the outcome but it was "in the realms of our expectations so we're very comfortable with the judgment".
It's been a long process," he said outside the supreme court complex in Brisbane.
"Eleven and a half year ago was the last time Denise and I, and the family, saw Daniel.
"We don't forget.
"Today we hope Mr Cowan doesn't forget his actions
"It resulted in him spending a minimum 20 years in jail and we hope they're tough."
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Mr Morcombe said it was not automatic that the High Court would hear the case, saying it would be based upon merit.
"We don't have to worry about Mr Cowan, he's locked up, probably for the rest of his life, and truly we hope it is the entirety of his life," he said.
"I'll be talking to our boys and Denise very shortly but it's not a moment of celebration, reflection for sure."