The Department of Justice, however, vehemently opposes the Texas law, which it sees as a usurpation of the federal government’s constitutional right to control and manage the nation’s borders.

“SB 4 is clearly unconstitutional,” Associate Attorney General Vanita Gupta said shortly after its adoption in January. “Under the Supremacy Clause of the Constitution and longstanding Supreme Court precedent, states cannot adopt immigration laws that interfere with the framework enacted by Congress.”

The administration says the Supreme Court confirmed in Arizona vs. United States that decisions relating to removal of noncitizens from the United States crosses over into the realm of foreign relations, which, it argues, “must be made with one voice.”

Source: Supreme Court temporarily halts rollout of Texas migrant arrest law – UPI.com