; (F) development and implementation of policies that safeguard civil rights and civil liberties during the collection, processing, and forensic testing of evidence; (G) hiring or training personnel for collection, processing, and forensic testing of evidence; (H) hiring and training of personnel to analyze violent crime and the temporal and geographic trends among homicides and firearm-related violent crimes; (I) retaining experts to conduct a detailed analysis of homicides and firearm-related violent crimes using Gun Violence Problem Analysis (commonly known as GVPA ) or a similar research methodology; (J) ensuring victims have appropriate access to emergency food, housing, clothing, travel, and transportation; (K) developing competitive and evidence-based programs to improve clearance rates for homicides and firearm-related violent crimes; (L) developing best practices for improving access to and acceptance of victim services, including victim services that promote medical and psychological wellness, ongoing counseling, legal advice, and financial compensation; (M) training investigators and personnel in trauma-informed interview techniques; (N) establishing programs to support officers who experience stress or trauma as a result of responding to or investigating homicides or other violent crime incidents