Let's assume he had gone out that night to kill but had been interrupted or lost his bottle and carried on living as he had been previously. Do you think, at 18, he would be diagnosed as a psychopath?
When you think a case is dodgy, as i obviously do, it is wise to take the word of psychologists and social workers with a pinch of salt and look elsewhere for indications of guilt. The evidence had so many holes in it (yes, even the DNA evidence) and the judge knowingly lied. There is no motive and no previous.
Obviously not every psychopath is a killer but we are not arguing about the way AC rose to the top of his profession, we are obviously talking about murderous psychopaths. Even murderous psychopaths live under the radar to some extent but there lives wouldn't stand up to scrutiny once they are caught. Their history, movements, obsessions, lifestyle, relationships ect will all show clear signs of what the person is. They will not appear normal and lead a normal life, make youtube videos and go camping in a large group weeks and days before murdering and raping in cold blood. That is a fact.