The Board of Immigration Appeals (Board) has determined that the agency is not estopped from detaining a non-citizen in immigration custody without bond simply because a magistrate released him on pre-trial bail in a federal criminal proceeding. The Board noted that the criminal proceedings, the government bears the burden of proving a defendant is a flight risk or danger to the community to justify detention without bail, while in the immigration context, the non-citizen bears the burden of proving he is not a flight risk or danger to the community to justify the granting of bond.
The full text of Matter of Panin can be found here: