
https://www.sipri.org/sites/default/files/2025-03/fs_2503_at_2024_0.pdf

https://media.defense.gov/2022/Mar/28/2002964028/-1/-1/1/_JIPA_MARCH-APRIL%202022.PDF/_JIPA_MARCH-APRIL%202022.PDF

https://facesofconflict.crisisgroup.org/on-the-front-lines-of-the-hot-land-mexicos-incessant-conflict/