"Once you're there, there's nowhere to go, nowhere to hide," Florida's attorney general said of the new facility.

Immigrant advocates said the move creates a whole new form of detention outside the scope of the federal government.

In the interest of carrying out more of President Donald Trump’s promised mass deportations, officials in Florida this week started construction on a migrant detention facility they’re billing as “efficient” and “low-cost” – because mother nature will provide much of the security.

The Florida Attorney General is asking the U.S. Supreme Court to allow the state to enforce a new immigration law while lower courts decide whether the law is constitutional.

The Florida law in question would make it a crime for undocumented migrants to enter the state if they had previously been deported or denied entry.

Florida Attorney General James Uthmeier (R) asked the Supreme Court on Monday to allow the state to enforce its new immigration law as an appeal plays out in a lower court. The new law, S.B. 4-C, makes it a state crime for people to enter Florida after arriving in the U.