[Theoria]

Shooter was security for Congress. ‘They’ gave warning to stop entering via the door. Only a situation where the detail is guarding a vip would they fire like that, at a ‘crowd’; containing friendlies.

[dragnet2]

Just curious, does anyone know what was in that room which was so important it required shooting unarmed protestors to death?

[Sonar5]

So what’s the shooters name....