Current Events – Prohibited items found in carry-on bags

read the following articles:
1. https://www.ksat.com/news/2019/09/09/hundreds-of-firearms-found-each-year-in-texas-airports-at-tsa-checkpoints/
2. https://www.nj.com/traffic/2020/01/bang-bang-youre-caught-tsa-nabbed-more-people-with-guns-at-the-airport-in-2019.html

after this answer two questions:
1. What can be done by the TSA and airlines to curtail this hazard?
2. Specifically, recommend what can be done to educate and inform the public to increase awareness of unacceptable items?