The California Bureau of Investigation (CBI) is a division of the California Department of Justice. It focuses on investigating serious crimes, including homicides, sexual assaults, and organized crime. The CBI provides support to local law enforcement agencies by offering specialized investigative services and forensic analysis. In addition to criminal investigations, the CBI also works on public safety initiatives and collaborates with other agencies to combat human trafficking and drug-related crimes. The bureau plays a crucial role in maintaining law and order in the state of California and ensuring justice for victims of crime.