The plan would put a strip along the southern border under Pentagon control, allowing the military to detain migrants for trespassing on a military base until Border Patrol agents could arrest them.

President Donald Trump late Friday signed a memorandum directing several agencies to start militarizing a stretch of the southern border, an escalation of the administration’s use of the

The Roosevelt Reservation — a strip of federally controlled land along the U.S.-Mexico border— will be among the areas used for military operations.