Tom Homan, a top White House immigration official, said the halt was a temporary pause, "not a policy change," and that immigration enforcement would continue.

The voluntary pause extends until Sept. 9.

An Immigration and Customs Enforcement officer shot and killed Lorenzo Salgado Araujo in Houston as he drove his construction crew to a job.

A settlement announced this week now affirms that private immigrant detention facilities are subject to California's workplace safety and health requirements.

The purchase comes as the Department of Homeland Security has moved to scale up its capacity to detain immigrants without relying as heavily on private prison corporations.

Recent Supreme Court decisions raise significant consequences for immigrants who have made their lives in the U.S.