As well as tariffs, Donald Trump campaigned on blocking off the US-Mexico border, to stop migrants arriving.
And with his tariff threats hanging heavy over Mexico, the authorities there are keen to show how far.
The number of crossings has fallen, but in Ciudad Juarez, just across the border from El Paso in Texas, the effects of the crackdown are being felt in the shelters, and even in the cartels. With fewer people to smuggle, they’re fighting over smaller profits.
And that’s left the migrants trapped in Mexico even more vulnerable to gangs.
And a warning, there are some distressing images in this report.
This is a dubbed version of the report.
