It's really going to depend on the parole officer and your boyfriend's history of compliance.
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I agree that this will depend on his parole officer and his behavior during his parole. Obviously, if he was a model parolee, then his chances are better that they will not revoke his parole for not being truthful about this one relationship. He needs to speak only to his attorney about this matter. He will have an appointed lawyer for his parole hearing. He may not want to waive the hearing since it sounds like you are saying he was in complianc otherwise.
Your boyfriend needs the assistance of a reputable criminal defense lawyer who handles parole revocation cases.
The situation you describe sounds very serious, but I have seen serious parole revocation situations go the parolee's way before.
Each case stands on its own facts. And, who the parole officer is can have an impact. Also, who the hearing officer is if the parolee contests revocation.
Be aware that when a blue warrant has been issued, expiration of parole prior to a revocation hearing does not mean the parole cannot be revoked.
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