The US government says it's currently looking at more building proposals, but not everyone agrees that a wall will be enough to bring the smuggling of drugs and people to an end.
A gun battle broke out between prisoners and security forces after authorities launched an operation to halt the smuggling of weapons inside a prison in Ciudad Victoria.
Orchids are one of the most smuggled plants worldwide. In countries like South Korea, authorities are cracking down on the smuggling business by offering thousand of dollars in exchange for information on the illegal trade.
Facing the world's highest inflation, Venezuela's government hopes that replacing the 100-bolivar bill will combat smuggling on its border with Colombia, and help pull it out of economic collapse. The bill is worth less than 2 US cents.
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