Only posting a link to the Miami Herald – but if you have not seen this chilling analysis, it is worth a read. Everything from missing rebar, design changes, plus the various issues that lead to the collapse and death of 98 people. Animations, plus video show what happened, plus the stories of some of the people inside.
If you are in construction, you should give this a read:
https://www.miamiherald.com/news/special-reports/surfside-investigation/article256633336.html