the Secretary of Homeland Security, the Attorney General, the Director of the Bureau of Prisons, or any agent or agency thereof, if the prior removal was not in conformity with section 601, regardless of when the separation took place. (b) Parental rights Consistent with the laws of the State in which the child is located, only an order from a court of competent jurisdiction may terminate the rights of a parent or legal guardian, including the rights of a parent or legal guardian separated from a child in the custody of the Department of Homeland Security. 603. Prohibiting use of certain information The Secretary of Homeland Security may not use information initially obtained by the Secretary of Health and Human Services, including information used to make a suitability determination, a home study determination, or a secure facility determination, for the purpose of apprehending, detaining, or removing from the United States— (1) an unaccompanied alien child