This is where Mr Trump’s talk of an “invasion” becomes more than rhetorical bombast. Framing the cartels as terrorists invading America is meant to legitimise his use of the law. And because America is being invaded, Mr Trump argues, he can block anyone from crossing the border. The courts may not see it that way. ■

From ending birthright citizenship to declaring an emergency at the southern border, Trump signed several orders restricting immigration.

Shortly after taking office, President Trump issued 11 executive orders cracking down on illegal immigration. The orders target what he sees as an invasion at the southern border and significantly alter how the U.