Her views on the Norwegian penal system were grounded in humanistic principles founded in criminology, and several of her proposals for reform met with controversy.
The report asserted that the deterrent effect of stiff penalties was a myth, and that policy toward criminals should be based in broader considerations than penology.
It didn't help matters much that she enlisted Arne Haugestad, who had already gained notoriety in the campaign against Norwegian membership in the European Community, as the director of Norway's penal system.
The year after in April 1979, Valle pressured prime minister Nordli to push through Stortinget, against all advice and recommendations the total abolition of the death penalty in Norway.
Although many of her proposed reforms never were implemented, some were, notably raising the age of criminal accountability and including community service in the penal system.