; and (B) models that include— (i) trauma-informed approaches to conflict resolution, de-escalation, and crisis intervention training; (ii) early interventions that link child and youth witnesses and victims, and their families as appropriate, to appropriate trauma-informed services; and (iii) supporting officers who experience secondary trauma; (2) providing professional training and technical assistance; and (3) awarding grants under subsection (c). (c) Grant program (1) In general The Attorney General, acting through the Center, may award grants to State, local, and tribal law enforcement agencies or to multi-disciplinary consortia to— (A) enhance the awareness of best practices developed under section 101 for trauma-informed responses to children and youth who have been exposed to violence or other trauma, and their families as appropriate; and (B) provide professional training and technical assistance in implementing the best practices described in subparagraph (A). (2) Application Any State, local, or tribal law enforcement agency seeking a grant under this subsection shall submit an application to the Attorney General at such time, in such manner, and containing such information as the Attorney General may require. (3) Use of funds A grant awarded under this subsection may be used to— (A) provide training to law enforcement officers on the best practices developed under section 101, including how to identify early signs of trauma and violence exposure when interacting with children and youth; and (B) establish, operate, and evaluate a referral and partnership program with trauma-informed clinical mental health, substance use, health care, or social service professionals in the community in which the law enforcement agency serves. (d) Authorization of appropriations There are authorized to be appropriated to the Attorney General— (1) $15,000,000 for each of fiscal years 2018 through 2022 to award grants under subsection (c)