Witnesses Maintain That Men In Security Uniforms Fired Into The Crowd In Las Vegas?

Go to the 1:46 mark on the video and watch as two men seem to fire into the crowd.

http://www.theunknownbutnothidden.com/las-vegas-shooting-video-shows-security-guard-gunman-shoot-crowd/

https://www.youtube.com/watch?v=Rditt8px2-o&t=316s