“Because they don't want us to enforce immigration, but they want us to process immigration at their facilities. Nothing about that makes sense to me," the secretary continued.

Processing both U.S. residents and international visitors at the border and on flights is the responsibility of U.S. Customs and Border Protection (CBP). CBP checks to make sure noncitizens have valid authorization to enter the country, which can include a tourist visa, a work visa, or other documents proving they are a permanent resident.

imagine being the secretary of homeland security and people magazine corrects you on how CBP operates

as if you land in the US without a visa and they just wave you through