United States National Suicide Prevention Hotline:

800-273-8255

Music by Godmode from Youtube Audio Library

9/11 Memorial & Museum

https://www.911memorial.org/learn/resources/digital-exhibitions/world-trade-center-history

Brittannica

https://www.britannica.com/event/September-11-attacks

CNN

https://www.cnn.com/2013/07/27/us/september-11-anniversary-fast-facts/index.html

FBI.gov

https://www.fbi.gov/history/famous-cases/911-investigation

History.com

https://www.history.com/topics/21st-century/9-11-attacks

Politico

https://www.politico.com/news/magazine/2021/09/10/world-trade-center-will-jimeno-510570

The Wall Street Journal

https://www.wsj.com/story/911-timeline-how-the-day-unfolded-acbc78e3

Wikipedia

https://en.wikipedia.org/wiki/American_Airlines_Flight_11

https://en.wikipedia.org/wiki/United_Airlines_Flight_175

https://en.wikipedia.org/wiki/American_Airlines_Flight_77

https://en.wikipedia.org/wiki/United_Airlines_Flight_93

https://en.wikipedia.org/wiki/Emergency_workers_killed_in_the_September_11_attacks