So the court is first asked to send the kid away for some serious head shrinking and evaluation. Personality disorders are incurable. Mental disturbances are curable for the most part. I did my job and searched that angle. There is no cure for psychopathy.
Future prevention is the only remedy.
Society can only do its best to manage the behaviour and minimize the impact. Society should be more focused on lowering the incidence. Parenting is still not the issue it should be. Oddly, psychopathy is the number one threat to society and yet society does nothing to improve parenting skills. I think not.