[Ingtar]

Moreover, Ms. Kane acknowledges that KCS de Mexico (KCSM) will retain Mexican management and Mexican railroad workers.

And Mexican graft practices allowing anything to be smuggled into the port, loaded on a train, and delivered to the USA without US inspection.

[EagleUSA]

And Mexican graft practices allowing anything to be smuggled into the port, loaded on a train, and delivered to the USA without US inspection.
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You name it. Drugs, terrorists, weapons, munitions, explosives, illegals, etc.