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Frequently Asked Questions Investigations

How can I know if a person who says he is an investigator for the National Background Investigations Bureau (NBIB), really works for NBIB. I have been called by someone who wants to interview me in regards to a friend of mine. I want to make sure it is not a scam.

The identity of NBIB investigators can be confirmed through NBIB’s Security and Safety Team.  There are two ways to confirm the identity of an investigator; by phone at 888-795-5673 option 1, or by e-mail to


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