- A personality disorder in which the person (usually a man) exhibits a lack of conscience for wrongdoing, even toward friends and family members.
- Lack of conscience becomes plain before 15, as they begin to lie, steal, fight, or display unrestrained sexual behaviour
- One half of all the children with lack of conscience before age 15 lie, steal, etc
- Early signs of antisocial behavior have been detected in children as young as ages 3-6
E.g. - May be aggressive and ruthless or a clever con artist