Related Rule
Practice Relating to Rule 65. Perfidy
Section B. Killing, injuring or capturing an adversary by resort to perfidy
Peru’s Military and Police Criminal Code (2010), in a chapter entitled “Crimes involving the use of prohibited methods in the conduct of hostilities”, states:
A member of the military or the police shall be punished with deprivation of liberty of not less than six years and not more than twenty-five years if, in a state of emergency and when the Armed Forces assume control of the internal order, he or she:
7. Treacherously attacks a member of the enemy armed forces or a member of the adverse party who directly participates in hostilities, with the result set out in Article 33, paragraphs 16 and 17 [of the present code, namely serious injury or death]. 
Peru, Military and Police Criminal Code, 2010, Article 91(7).