D onald Trump’s “symptoms of severe, untreatable personality disorder—malignant narcissism—makes him deceitful, destructive, deluded, and dangerous,”and “grossly unfit for leadership ...

Dorner was likely suffering from a "classic case of malignant narcissistic personality disorder," retired FBI profiler Mary Ellen O'Toole told The Associated Press, pointing to his grandiose ...

Both malignant narcissists and people with ... their feelings and learn from the negative consequences of their behavior. Many narcissists can improve with treatment, and those who have insight ...