Primary jurisdiction of the agency includes coordinating cooperation between the federation and state police forces; investigating cases of international organized crime, terrorism and other cases related to national security; counterterrorism; the protection of members of the constitutional institutions, and of federal witnesses. When requested by the respective state authorities or the federal minister of the interior, it also assumes responsibility for investigations in certain large-scale cases. Furthermore, the Attorney General of Germany can direct it to investigate cases of special public interest.[4]