We don't know that it was a false flag. Could have just been some trigger-happy fool.

OK I couldn't get past the first half minute cuz he says "our customers are our lifeblood and we will continue to serve them" NIGGA WE SEEN THAT TWILIGHT ZONE

Nice Sandy Hoax reference.

Another similarity is how the Washingtonian article was written like 3 hours before the "gunman" entered the building, similarly to the Sandy Hook Facebook donation pages being set up the day before the event.