Inside a Cartel Supply Chain: A Trafficker's Logistics Playbook

He recruited drivers the same way a trucking company might. He looked for people with clean records, reliable vehicles, and no obvious ties to cartels. A driver might be told they were moving electronics or clothing. The real cargo was hidden in compartments retrofitted into the vehicle.

The cash side is harder than the drug side, Diaz said. A million dollars in $20 bills weighs about 100 pounds and fills a duffel bag. Moving that much currency across the border without triggering reporting requirements takes planning. Cartels use multiple small shipments, sometimes through mules, sometimes through front businesses with legitimate invoices.

Violence in Mexico during the late 2000s made every shipment unpredictable. Turf wars meant routes could become contested overnight. A stash house that was safe on Monday could be raided by rivals on Tuesday. Operators had to maintain multiple backup plans.

The psychological weight was the hardest part. Diaz said the double life wears you down. You cannot trust anyone. You cannot explain your schedule or your cash. For someone who grew up with nothing, the money was impossible to walk away from.

After his release, Diaz founded My Credit Builder Pros, a credit counseling and financial literacy business. He said the discipline and attention to detail that made him effective in the cartel translated directly to running a legitimate company. The difference is the stakes.