Seen this?
2019 National Drug Threat Assessment: Mexican Cartel Related Excerpts & Sections
Compiled by Robert J. Bunker
https://smallwarsjournal.com/jrnl/art/2019-national-drug-threat-assessment-mexican-cartel-related-excerpts-sections
"Mexican TCOs: Mexican TCOs remain the greatest criminal drug threat to the United States; no other groups are currently positioned to challenge them. "