; (iii) promoting best practices for families experiencing domestic violence, substance use disorder, or other complex needs; and (iv) providing professional development and other technical assistance to child welfare agencies to improve the understanding of and to help address the effects of trauma and adverse childhood experiences in parents and children in contact with the child welfare system; and (B) may include an evaluation or identification of— (i) various methods and procedures for the investigation, assessment, and prosecution of child physical and sexual abuse cases; (ii) ways to mitigate psychological trauma to the child victim; (iii) effective programs carried out by the States under titles I and II; and (iv) effective approaches being utilized to link child protective service agencies with health care, mental health care, and developmental services to improve forensic diagnosis and health evaluations, and barriers and shortages to such linkages. ; (3) in subsection (c), by striking paragraph (3); and (4) by striking subsection (e). 105. Grants to States, Indian Tribes or tribal organizations, and public or private agencies and organizations Section 105 of the Child Abuse Prevention and Treatment Act ( 42 U.S.C. 5106 ) is amended— (1) in subsection (a)— (A) by redesignating paragraph (7) as paragraph (10)