Is a U.S. Immigration System Rebuilt after 9/11 Prepared to Tackle Ever-Evolving Security Threats, Including Pandemics? Report Assesses Successes, Gaps

WASHINGTON — The U.S. immigration system was dramatically reshaped by the terrorist attacks of September 11, 2001, which shone a harsh spotlight on weaknesses in visa and immigration screening processes. From the creation of the Department of Homeland Security (DHS) to expanded national security protections in immigration and tourism policies, countless changes in the immigration arena have unfolded over the past 19 years.