President Donald Trump signed more executive orders aimed at shutting down the southern border, but the details on how migrants would be blocked from crossing remain unclear.

A memo asserts that state and local officials are bound to cooperate and could face criminal prosecution or civil penalties if they fail to comply.

The Justice Department is directing its federal prosecutors to investigate for potential criminal charges any state or local officials who stand in the way of beefed-up enforcement of immigration laws under the Trump administration.

U.S. attorneys’ offices were told to investigate any official who defies federal immigration enforcement efforts and consider prosecuting them.

President Donald Trump's administration has directed U.S. prosecutors to criminally probe state and local officials who resist immigration enforcement efforts, intensifying a sweeping crackdown that Trump launched the day he took office.

In line with Trump’s edict, CNN’s Natasha Bertrand, Priscilla Alvarez, Haley Britzky and Oren Liebermann report. They’re expected to beef up existing operations to support Customs and Border Protection,

President Donald Trump's administration has directed U.S. prosecutors to criminally probe local officials who resist immigration enforcement efforts, intensifying a sweeping crackdown that Trump launched the day he took office.

The directives to Justice Department employees could face fierce blowback from legal advocacy groups and officials in cities and states led by Democrats.

Justice Department career officials were reassigned to advance Donald Trump's immigration agenda, an official familiar with the matter told USA TODAY.