Demonstrations by Families Belong Together aim at separation of immigrant families in U.S. detention centers.
"I would cite you to the Apostle Paul and his clear and wise command in Romans 13, to obey the laws of the government because God has ordained them for the purpose of order," the attorney general says.
A group called Families Belong Together is organizing a series of marches Thursday in cities across the country.
Hundreds of families have been split by what they say is an inconsistent immigration policy. Their fate hinges on an Israeli government decision on whether to allow for their reunification.