A few years before President Donald Trump instituted his so-called “travel ban” on now-13 countries, the 21-year-old Sudanese citizen Mahmoud Amin Mohamed Elhassan entered the United States with his siblings and mother on temporary Legal Permanent Resident visas. At the time, Sudan was a U.S.-designated State Sponsor of Terrorism and would not have been willing – or, frankly, even able – to provide American adjudicators with any intelligence or background history about Elhassan for a thorough security vetting.
Within a year of his arrival, Elhassan was on social media espousing violent, anti-American jihad under a pseudonym, according to
