An automated gatekeeper system and method are disclosed. The system and method comprise a control unit, sensors monitoring a checkpoint and gates to controlled premises and controllable gates. A person who wishes to enter may be inquired by the system in order to monitor and identify his or her identity, to verify whether the identified person is listed in at least one list of classified persons and to define whether that person is in a state of mind or mood which may have implication on the decision whether to allow his or her entrance to the premises.