The U.S. Department of Justice has asked “multiple” California sheriffs for data about any migrants they were holding in their county jails, including in San Francisco and Los Angeles.

The California Attorney General’s Office countered that the Trump administration “cannot bully our local law enforcement into breaking the law.”

Attorney General Pam Bondi sent letters to several California sheriffs on Thursday requesting the names “of all inmates in their county jails who are not citizens of the United States, their crimes of arrest or conviction and their scheduled release dates.