Answer :
Answer:
Duress code
Explanation:
A duress code is a way of letting a central station operator know that help is needed immediately. Verbal duress code Is a spoken passphrase that is provided to the security people when one is in danger as Joe did to the security man.
Answer:
Duress Code
Explanation:
A duress code is used by an individual to make a signal when he is being kept hostage by an assailant by using it to signal others that they are in trouble.
Duress codes can also means secret passwords that allow a person to request for emergency help by entering the code when under duress from an assailant in order to trigger a silent alarm by alerting police or security personnel.
Therefore DURESS CODE was what Joe use when he walks up to a security guard with an unknown person and states a phrase. Making the security guard to call the police as the security guard believes Joe was in trouble.