45 C.F.R. § 410.1105
(a) Criteria for placing an unaccompanied child in a secure facility that is not a residential treatment center (RTC).
(3) ORR may place an unaccompanied child in a secure facility (that is not an RTC) only if the unaccompanied child:
(i) Has been charged with or has been convicted of a crime, or is the subject of delinquency proceedings, delinquency charge, or has been adjudicated delinquent, and where ORR deems that those circumstances demonstrate that the unaccompanied child poses a danger to others, not including:
(b) Criteria for placing an unaccompanied child in a heightened supervision facility.
(2) In determining whether to place an unaccompanied child in a heightened supervision facility, ORR considers if the unaccompanied child:
(c) Criteria for placing an unaccompanied child in an RTC.