This person may be street wise back home, but not in a foreign land. An attack against a person in this condition will be successful. Observant of people and immediate surroundings. Cautious when dealing with strangers. A person can easily be in this state all the time.
Any possible threat is identified.
Develops contingency plans. Monitors the threat, keeps an eye on the situation. Fight or flight. Unable to react. An attack against a person in this state will be successful.