The District Attorney is the county’s public prosecutor, enforcing the criminal laws of the State of California. It is within the District Attorney’s discretion to initiate and conduct, on behalf of the people, all prosecutions of public offenses.

May sponsor, supervise, or participate in any project or program to improve the administration of justice. Shall institute proceedings before magistrates for the arrest of persons charged with or reasonably suspected of public offenses when he has information that such offenses have been conducted.

For that purpose, when not engaged in criminal proceedings in the superior court or in civil cases on behalf of the people, shall attend upon the magistrates in cases of arrest when required by them and shall attend before and give advice to the grand jury whenever cases are presented to it for its consideration.