Соответствующая норма
Practice Relating to Rule 107. Spies
Section A. Definition of spies
Mexico’s Code of Military Justice (1933), as amended in 1996, defines a spy as someone who has penetrated a defended place or troops in the field with the aim of collecting useful information and communicating it to the enemy. 
Mexico, Code of Military Justice, 1933, as amended in 1996, Articles 206–207.