“…The Trump administration has found an innovative way to neutralize California’s sanctuary policies, forcing local officials to hand over illegal migrants for deportation despite state and local sanctuary laws and policies that bar them from doing so.

California law enforcement officials can refuse to cooperate with “ICE detainers,” requests from Immigration and Customs Enforcement to transfer illegal migrants held in local jails to federal immigration officials. That is because ICE detainers are nonbinding and can be disregarded by the local agency.

But Bill Essayli, Trump’s recently appointed U.S. attorney for the Central District of California, has come up with a way to compel California’s cooperation. Local officials can “ignore detainers, but they can’t ignore [federal criminal] warrants,” he told me in an interview.…”