The Mexican Government needs to create a 2 mile Border zone mine field & populated with varying sized tire & foot spikes that prevent walk ups or drive ups, and layered spraying of nanotech particles that can adhere to any person that manages to get through the mine zone and wall fence.
US Strategy Inducements to achieve the above: Special Forces Targeting Counter Trafficking Ops, Naval Blockade of Imports, PEMEX Control & Infrastructure, Tariff Rates Percentage Adjustments on all Products sold back into the US