46-6-311. Basis for arrest without warrant — arrest of predominant aggressor — no contact order. (1) A peace officer may arrest a person when a warrant has not been issued if the officer has probable cause to believe that the person is committing an offense or that the person has committed an offense and existing circumstances require immediate arrest.

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Terms Used In Montana Code 46-6-311

  • Arrest: Taking physical custody of a person by lawful authority.
  • Arrest: means taking a person into custody in the manner authorized by law. See Montana Code 46-1-202
  • Complaint: A written statement by the plaintiff stating the wrongs allegedly committed by the defendant.
  • Court: means a place where justice is judicially administered and includes the judge of the court. See Montana Code 46-1-202
  • Defendant: In a civil suit, the person complained against; in a criminal case, the person accused of the crime.
  • Judge: means a person who is vested by law with the power to perform judicial functions. See Montana Code 46-1-202
  • Offense: means a violation of any penal statute of this state or any ordinance of its political subdivisions. See Montana Code 46-1-202
  • Peace officer: means any person who by virtue of the person's office or public employment is vested by law with a duty to maintain public order and make arrests for offenses while acting within the scope of the person's authority. See Montana Code 46-1-202
  • Person: includes a corporation or other entity as well as a natural person. See Montana Code 1-1-201
  • Probable cause: A reasonable ground for belief that the offender violated a specific law.

(2)(a) The summoning of a peace officer to a place of residence by a partner or family member constitutes an exigent circumstance for making an arrest. Arrest is the preferred response in partner or family member assault cases involving injury to the victim, use or threatened use of a weapon, violation of a restraining order, or other imminent danger to the victim.

(b)When a peace officer responds to a partner or family member assault complaint and if it appears that the parties were involved in mutual aggression, the officer shall evaluate the situation to determine who is the predominant aggressor. If, based on the officer’s evaluation, the officer determines that one person is the predominant aggressor, the officer may arrest only the predominant aggressor. A determination of who the predominant aggressor is must be based on but is not limited to the following considerations, regardless of who was the first aggressor:

(i)the prior history of violence between the partners or family members, if information about the prior history is available to the officer;

(ii)the relative severity of injuries received by each person;

(iii)whether an act of or threat of violence was taken in self-defense;

(iv)the relative sizes and apparent strength of each person;

(v)the apparent fear or lack of fear between the partners or family members; and

(vi)statements made by witnesses.

(3)If a judge has issued a standing order as provided in 45-5-209, a peace officer shall give a defendant charged with or arrested for partner or family member assault or a violation of 45-5-202, 45-5-213, or 45-5-215 if the victim is a partner or family member of the defendant, both written and verbal notice of the no contact order issued pursuant to 45-5-209. The notice must include specific conditions as ordered by the court.