From the Daily Beast:

The immigration wave is over, but Trump is sending troops to the border anyway. The president’s order to deploy the National Guard to stop migrants comes after the government closed two jails because there weren’t enough detainees and a drop in crossings.

President Trump said he will send National Guard troops to the southern border to stop immigrants from crossing. Yet his own administration quietly closed immigrant detention centers on the border because crossings are down sharply.

Two facilities were built in 2016 to deal with a surge in migrants who rushed to cross the U.S.-Mexico border before Trump became president, according to a Customs and Border Patrol Office of the Inspector General report released last October. That surge subsided and illegal border crossings subsequently dropped significantly, according to the report.

Homeland Security Secretary Kirstjen Nielsen, who oversees CBP, nevertheless announced the deployment of National Guard troops on Wednesday...