California Code, Penal Code - PEN § 871

If, after hearing the proofs, it appears either that no public offense has been committed or that there is not sufficient cause to believe the defendant guilty of a public offense, the magistrate shall order the complaint dismissed and the defendant to be discharged, by an indorsement  1 on the depositions and statement, signed by the magistrate, to the following effect: “There being no sufficient cause to believe the within named A. B. guilty of the offense within mentioned, I order that the complaint be dismissed and that he or she shall be discharged.”