If a member of a grand jury knows, or has reason to believe, that a public offense, triable within the county, has been committed, he may declare it to his fellow jurors, who may thereupon investigate it.
Ca. Pen. Code § 918
If a member of a grand jury knows, or has reason to believe, that a public offense, triable within the county, has been committed, he may declare it to his fellow jurors, who may thereupon investigate it.
Ca. Pen. Code § 918