Intellihub had some strong content on this as it was breaking and in the weeks after... crazy stuff....

Some reference links:

• https://www.intellihub.com/sports-fan-saw-low-flying-black-helicopter-heard-gunfire-during-las-vegas-shooting/

• https://www.intellihub.com/las-vegas-massacre-survivor-during-fully-automatic-volley-of-gunfire-its-a-helicopter/

• https://www.intellihub.com/las-vegas-terror-attack-clear-evidence-of-multiple-shooters/