Idaho State Statutes - Idaho Attorney Directory

A peace officer may make an arrest
in obedience to a warrant delivered to him, or may, without a warrant, arrest
a person:
1. For a public offense committed or attempted in his presence.
2. When a person arrested has committed a felony, although not in his
presence.
3. When a felony has in fact been committed and he has reasonable cause
for believing the person arrested to have committed it.
4. On a charge made, upon a reasonable cause, of the commission of a
felony by the party arrested.
5. At night, when there is reasonable cause to believe that he has
committed a felony.
6. When upon immediate response to a report of a commission of a crime
there is probable cause to believe, that the person arrested has committed a
violation of section 18-902 (assault), 18-903 (battery), 18-918 (domestic
assault or battery), 18-7905 (first degree stalking), 18-7906 (second degree
stalking), 39-6312 (violation of a protection order), or 18-920 (violation of
a no contact order).
7. When there is reasonable cause to believe, based upon physical
evidence observed by the officer or statements made in the presence of the
officer upon immediate response to a report of a commission of a crime aboard
an aircraft, that the person arrested has committed such a crime.

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