related to the child's trauma or mental health that could be addressed in a less restrictive setting with additional accommodations or rehabilitative care. (2) Secure facilities The Director may never hold or place an unaccompanied noncitizen child in a secure facility. (3) Staff-secure facilities (A) In general The Director may only hold or place an unaccompanied noncitizen child in a staff-secure facility if— (i) there is clear and convincing evidence that the child poses a serious and imminent danger to others at the time of placement