Ted Bundy diagnosis:
ASPD, especially factor 1 psychopathy, is that it is very difficult to treat. Treatment has shown to be effective in the average criminal, however not with psychopaths, such as Bundy. There is actually a chance that psychopaths who are high factor 1 may get worse with treatment because instead of learning about themselves, they learn more about others and use that information.
As with treating any personality disorder, getting the person into therapy and keeping them involved is very difficult. Most individuals, including Bundy, have no interest in changing their behavior. It is also difficult because high factor 1s are so deceitful and manipulative it is hard to believe anything they say.
It is very unlikely that cognitive therapy will be effective, especially with someone like Ted Bundy. The most effective tool possible is prevention. It is very important to prevent children misbehaving and intervene any behavioral problems at an early age.