and indeed they were. In the municipality of Chenalhó, where the massacre occurred, there were 44 accidentals deaths during December 1997. It is pretty clear that the deaths of the Acteal Massacre for some reason were classified as being accidental.
You can check it out for yourself by downloading the Mexican mortality statistics from SINAIS for 1998, and see that the deaths were classified as unintentional injuries with ICD-10 codes of:
- W26 - Contact with knife (5 deaths)
- X59 - Exposure to unspecified factor (7 deaths)
- W34 - Accidental malfunction from other specified firearms (32 deaths)
testimony (Spanish) of "La Barbie" that the leader of the Sinaloa Cartel started sending his people to Ciudad Juárez in 2007, even if the official homicide statistics showed a slight decrease during that year. Interestingly, lesions of unknown intent started rising in 2004, the same year the brother of the leader of the Juárez Cartel was murdered.
The code is here