The last interview: Liam Ashley's parents on guilt, forgiveness and being set free

The Ashleys’ guilt is immeasurable. It weighs heavily on top of their pain and sadness. Last year, Ian and Lorraine sent a handwritten letter to Liam’s killer, George Baker, forgiving him for murdering their son; offering him hope for the future and wanting to see him make something of the life he has left. But they stop short of bestowing the same act of kindness on themselves.