Rehabilitation theories present however the following deficiencies:
First, there is no sound scientific research to determine how different individuals react to the same rehabilitating methods.
Second, rehabilitation may depend more decisively on the individual psychological background, hence on his particular motives to commit crimes, than on the rehabilitating methods or philosophy.
Third, a rehabilitation program may prove to be too costly and complex to be successfully implemented in most countries.
Finally, rehabilitation must refer to the sociological findings on the socialization and resocialization processes, as change in lifelong socially acquired patterns of behavior and values entails a much more complex – and sometime traumatic – change on the individual's structure of character.
Criminal recidivism is highly correlated with psychopathy. The psychopath is defined by an uninhibited gratification in criminal, sexual, or aggressive impulses and the inability to learn from past mistakes.Individuals with this disorder gain satisfaction through their antisocial behavior and lack remorse for their actions.
Findings indicate psychopathic prisoners have a 2.5 time higher probability of being released from jail than undiagnosed ones, even though they are more likely to recidivate.
It has been shown that punishment and behavior modification techniques do not improve the behavior of a psychopath. Psychopathic individuals have been regularly observed to become more cunning and better able to hide their behaviour. It has been suggested by them traditional therapeutic approaches actually make psychopaths if not worse, then far more adept at manipulating others and concealing their behavior. They are generally considered to be not only incurable but also untreatable.
Psychopaths also have a markedly distorted sense of the potential consequences of their actions, not only for others, but also for themselves. They do not, for example, deeply recognize the risk of being caught, disbelieved or injured as a result of their behaviour.
