Anthony, thank you for the additional information. The FBI and other government agencies always have access to a persons criminal records
and history. There is no way to prevent them from seeing it. A sealing or expungement
simply prevents the general public from seeing it but if you were convicted, it is not possible to expunge or seal this, so that they can not view it. Moreover, I have provided a link below, that explains in detail the relief from disabilities which you received and how it applied. I know this is not the answer you were hoping to hear, since it involves the denial of your citizenship but the FBI will always be able to access your records.
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