N.M. Stat. § 29-7D-5
Intervention.
A. A law enforcement officer present and observing another officer using physical
force, including deadly physical force, that the law enforcement officer has probable
cause to believe is excessive based on the totality of the circumstances shall intervene
to prevent the use of excessive force, unless intervening would result in imminent harm
to the officer or another identifiable individual.
B. A law enforcement officer who observes another officer using physical force,
including deadly physical force, that the law enforcement officer has probable cause to
believe is excessive based on the totality of the circumstances shall report the incident
to the officer's direct supervisor as soon as reasonably possible but no later than the
end of the officer's shift.
C. A law enforcement officer who had a duty to intervene and failed to do so shall
be disciplined and, depending on the seriousness of the violation, may be suspended,
decertified, decommissioned or terminated from the officer's position.