A justice department memo directing the department’s civil division to target the denaturalization of US citizens around the country has opened up an new avenue for Donald Trump’s mass deportation agenda, experts say. In the US, when a person is denaturalized, they return to the status they held before becoming a citizen. If someone was previously a permanent resident, for example, they will be classified as such again, which can open the door to deportation efforts. The memo, published on 11 June, instructed the justice department’s civil division to “prioritize and maximally pursue denaturalization proceedings in all cases permitted by...