(1) Peace officers, in carrying out their duties, shall apply nonviolent means, when possible, before resorting to the use of physical force. A peace officer may use physical force only if nonviolent means would be ineffective in effecting an arrest, preventing an escape, or preventing an imminent threat of injury to the peace officer or another person. (1.5) (a) Pursuant to section 18-8-805 (1) and (2)(a)(I), peace officers shall not use, direct, or unduly influence the use of ketamine upon another person nor compel, direct, or unduly influence an emergency medical service provider to administer ketamine. If a peace officer violates this prohibition, the district attorney may charge the officer with any crime based on the facts of the case. (b) As used in this subsection (1.5), unless the context otherwise requires, "unduly influence" means the improper use of power or trust in a way that deprives a person of free will and substitutes another's objective. (c) Notwithstanding subsection (1.5)(a) of this section, a peace officer who is also certified as an emergency medical service provider may administer ketamine pursuant to the restrictions set forth in section 25-3.5-209 and when the decision to administer ketamine is based on the emergency medical service provider's training and expertise. (2) When physical force is used, a peace officer shall: (a) Not use deadly physical force to apprehend a person who is suspected of only a minor or nonviolent offense; (b) Use only a degree of force consistent with the minimization of injury to others; (c) Ensure that assistance and medical aid are rendered to any injured or affected persons as soon as practicable; and (d) Ensure that any identified relatives or next of kin of persons who have sustained serious bodily injury or death are notified as soon as practicable. (2.5) (a) A peace officer is prohibited from using a chokehold upon another person. (b) (I) As used in this subsection (2.5), "chokehold" means a method by which a person applies sufficient pressure to a person to make breathing difficult or impossible and includes but is not limited to any pressure to the neck, throat, or windpipe that may prevent or hinder breathing or reduce intake of air. (II) "Chokehold" also means applying pressure to a person's neck on either side of the windpipe, but not to the windpipe itself, to stop the flow of blood to the brain via the carotid arteries. (2.7) (a) As used in this subsection (2.7), unless the context otherwise requires: (I) "Mechanical restraint" means a physical device used to involuntarily restrict the movement of a person or the movement or normal function of a portion of a person's body. (II) "Prone position" means a position in which a person is lying on a solid surface with the person's chest and abdomen positioned downward even if the person's face is turned to the side or the person has one shoulder lifted. (III) "Prone restraint" means a use of physical force, including, but not limited to, the use of a mechanical restraint, in which the person who is being restrained is in a prone position. (IV) "Recovery position" means a position other than a prone position that allows the person to breathe normally. (b) On or before July 1, 2025, any Colorado law enforcement agency that employs a peace officer required to be certified by the P.O.S.T. board pursuant to section 16-2.5-102, a sheriff, and the Colorado state patrol shall: (I) Adopt written policies and procedures concerning use of the prone position and prone restraint by: (A) Peace officers required to be certified by the P.O.S.T. board pursuant to section 16- 2.5-102 employed by a Colorado law enforcement agency; (B) Sheriff's deputies, regardless of P.O.S.T. certification, who are engaged in patrol, arrest, taking suspects into custody, transporting detainees, or who have direct contact with inmates within county or local jails; or (C) Colorado state patrol officers; and (II) Post the adopted policies and procedures on the entity's publicly accessible website, or, if the entity does not have a publicly accessible website, shall make the policy and procedures publicly available upon request. (c) The policies and procedures adopted pursuant to subsection (2.7)(b) of this section must include, but need not be limited to, the following: (I) When and how to request medical aid for use of force involving a prone restraint; (II) When to get medical clearance for use of force involving a prone restraint when there are injuries or complaints of injuries; (III) How and when appropriate medical aid within the scope of a peace officer's training should be rendered for any use of force involving prone restraint; and (IV) How and when to appropriately and safely transition any person placed in a prone position into a recovery position as soon as practicable. (d) Each entity must review policies and procedures adopted pursuant to subsection (2.7)(b) of this section at least every five years to ensure the policies and procedures are updated to include current best practices. (e) Beginning on or before July 1, 2026, each entity required to adopt policies and procedures pursuant to subsection (2.7)(b) of this section shall implement and train its peace officers on the provisions of the policies and procedures adopted pursuant to subsection (2.7)(b) of this section. (f) The P.O.S.T. board, created in section 24-31-302, shall make its training on the use of the prone position available to all law enforcement agencies in the state. (3) A peace officer is justified in using deadly physical force to make an arrest only when all other means of apprehension are unreasonable given the circumstances and: (a) The arrest is for a felony involving conduct including the use or threatened use of deadly physical force; (b) The suspect poses an immediate threat of death or serious bodily injury to the peace officer or another person; (c) The force employed does not create a substantial risk of injury to other persons. (4) A peace officer shall identify himself or herself as a peace officer and give a clear verbal warning of his or her intent to use firearms or other deadly physical force, with sufficient time for the warning to be observed, unless to do so would unduly place peace officers at risk of injury or would create a risk of death or injury to other persons. (4.5) Notwithstanding any other provision in this section, a peace officer is justified in using deadly force if the peace officer has an objectively reasonable belief that a lesser degree of force is inadequate and the peace officer has objectively reasonable grounds to believe, and does believe, that he or another person is in imminent danger of being killed or of receiving serious bodily injury. (5) Except as provided in subsection (6) of this section, a person who has been directed by a peace officer to assist him to effect an arrest or to prevent an escape from custody is justified in using reasonable and appropriate physical force when and to the extent that he reasonably believes that force to be necessary to carry out the peace officer's direction, unless he knows that the arrest or prospective arrest is not authorized. (6) A person who has been directed to assist a peace officer under circumstances specified in subsection (5) of this section may use deadly physical force to effect an arrest or to prevent an escape only when: (a) He reasonably believes that force to be necessary to defend himself or a third person from what he reasonably believes to be the use or imminent use of deadly physical force; or (b) He is directed or authorized by the peace officer to use deadly physical force and does not know, if that happens to be the case, that the peace officer himself is not authorized to use deadly physical force under the circumstances. (7) A private person acting on his own account is justified in using reasonable and appropriate physical force upon another person when and to the extent that he reasonably believes it necessary to effect an arrest, or to prevent the escape from custody of an arrested person who has committed an offense in his presence; but he is justified in using deadly physical force for the purpose only when he reasonably believes it necessary to defend himself or a third person from what he reasonably believes to be the use or imminent use of deadly physical force. (8) A guard or peace officer employed in a detention facility is justified: (a) In using deadly physical force when he reasonably believes it necessary to prevent the escape of a prisoner convicted of, charged with, or held for a felony or confined under the maximum security rules of any detention facility as such facility is defined in subsection (9) of this section; (b) In using reasonable and appropriate physical force, but not deadly physical force, in all other circumstances when and to the extent that he reasonably believes it necessary to prevent what he reasonably believes to be the escape of a prisoner from a detention facility. (9) "Detention facility" as used in subsection (8) of this section means any place maintained for the confinement, pursuant to law, of persons charged with or convicted of an offense, held pursuant to the "Colorado Children's Code", held for extradition, or otherwise confined pursuant to an order of a court. (10) Repealed.
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