https://www.npr.org/2021/09/10/1035131619/911-travel-timeline-tsa It Was Shoes On, No Boarding
Pass Or ID. But Airport Security Forever Changed On 9/11
abcnews.go.com/Lifestyle/wireStory/911-changed-air-travel-security-privacy-79853565 How 9/11
changed air travel: more security, less privacy
A LOOK AT HOW AIRPORT SECURITY HAS EVOLVED POST 9-11
HTTPS://WWW.PHL.ORG/NEWSROOM/911-SECURITY-IMPACT
HTTPS://ECONOMICTIMES.INDIATIMES.COM/NEWS/INTERNATIONAL/WORLD-NEWS/HOW9/11-CHANGED-AIR-TRAVEL-MORE-SECURITY-LESSPRIVACY/ARTICLESHOW/85804208.CMS?FROM=MDR How 9/11 changed air travel: more security,
less privacy