I'm afraid that all you are doing is confusing some people with facts. How could you??? After all, aren't made up opinions coming out of nothing but thin air much more important than facts?!
It's never been released. I've scanned many articles and this was the only one it appeared in.
One man told CNN he recorded video that appeared to show a person shooting from a parking structure near the scene. Ismael Dejesus told anchor Don Lemon that he captured the video from his hotel room.