19-604. WHEN PRIVATE PERSON MAY ARREST. 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.
WHEN PRIVATE PERSON MAY ARREST
Idaho Code § 19-604, under ARREST, BY WHOM AND HOW MADE.
Idaho Code § 19-604