At Black Dolphin Inc our security officers and guards come to us already vetted by the state of California DOJ (Department of Justice) before we hire them. . BSIS possess the sole power and responsibility for regulating the security guard industry and other professional organizations doing business in the State of California. The California DOJ Department of Justice is responsible for conducting background investigations on all security guard applications before a guard card can be issued, clearing the way for the applicant to take a position as the State of California certified security guard once the background investigation is finalized.