Additional Provisions Regarding Criminal Procedure — California Penal Code — Arrest, By Whom And How Made — Arrest by private person Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session A private person may arrest another: 1.For a public offense committed or attempted in his presence. 2.When the person arrested has committed a felony, although not in his presence. 3.When a felony has been in fact committed, and he has reasonable cause for believing the person arrested to have committed it. Ca. Pen. Code § 837