28 CFR 115.164 – Staff first responder duties
(a) Upon learning of an allegation that a detainee was sexually abused, the first law enforcement staff member to respond to the report shall be required to:
(1) Separate the alleged victim and abuser;
(2) Preserve and protect any crime scene until appropriate steps can be taken to collect any evidence;
(3) If the abuse occurred within a time period that still allows for the collection of physical evidence, request that the alleged victim not take any actions that could destroy physical evidence, including, as appropriate, washing, brushing teeth, changing clothes, urinating, defecating, smoking, drinking, or eating; and
(4) If the abuse occurred within a time period that still allows for the collection of physical evidence, ensure that the alleged abuser does not take any actions that could destroy physical evidence, including, as appropriate, washing, brushing teeth, changing clothes, urinating, defecating, smoking, drinking, or eating.
(b) If the first staff responder is not a law enforcement staff member, the responder shall be required to request that the alleged victim not take any actions that could destroy physical evidence and then notify law enforcement staff.