A federal judge questions the Trump administration on implementation plans for controversial birthright citizenship executive order as advocacy groups file class action lawsuits in response.

Steve Lubet, professor emeritus at the Northwestern University Pritzker School of Law, told NPR that the agency’s guidance gives officials “wide discretion” in determining who it wants to go after. While the process historically focused on people who had lied about their background to obtain U.S. citizenship, the new memo has much broader criteria.

The Donald Trump administration has intensified efforts to revoke US citizenship for naturalised individualsThe US Department of Justice (DOJ)'s latest memo directed attorneys to prioritise civil proceedings against those who obtained citizenship illegally or pose a threat to the countryThe directive targeted individuals involved in war crimes,