Criminal Law Questions? Ask a Criminal Lawyer.
You will need to obtain a Presidential Pardon. Then you can Petition the Court to have the matter removed from your record. But the Presidental Pardon is the first step. Here is that cotact information for application.
All the information is on the link I provided. You can apply for the Pardon without the assistance of an attorney. The Application form is there, etc
If you have further questions, you may post them here and i will continue to assist. Otherwise, even if you have a subscription with JA please remember to ACCEPT my answer as that is the only way I can get credit for my time and information in this matter. Thank you and Good luck