The Incorporating Victim-Centered Practices into Tribal Law Enforcement Sexual Assault Protocols: A Companion Guide to Tribal Law Enforcement Protocol Resource: Sexual Assault (2008) (Companion Guide) expands on a host of TLPI resources on addressing sexual assault in Indian country and on Tribal lands. With this Companion Guide, TLPI hopes that all those looking to draft, enhance, or amend Tribal law enforcement protocols for responding to sexual assault have a useable resource to enable them to incorporate victim-centered approaches.