California CodesPenal CodePart 2 - OF CRIMINAL PROCEDURETitle 3 - ADDITIONAL PROVISIONS REGARDING CRIMINAL PROCEDUREChapter 5 - Arrest, by Whom and How Made§ 839§ 839Any person making an arrest may orally summon as many persons as he deems necessary to aid him therein.Cite this sectionCal. Pen. Code § 839 (2026)Copyhttps://ca.codecond.com/codes/pen/part-2-of-criminal-procedure/title-3-additional-provisions-regarding-criminal-procedure/chapter-5-arrest-by-whom-and-how-made/section-839CopyOther sections in Chapter 5 - Arrest, by Whom and How Made§ 833§ 833.2§ 833.5§ 834§ 834a§ 834c§ 835§ 835a§ 836§ 836.1…§ 851.7§ 851.8§ 851.85§ 851.86§ 851.865§ 851.87§ 851.90§ 851.91§ 851.92§ 851.93← § 838§ 840 →