Marxists are always able to swiftly take charge of any crisis event due their their superior organization.
However, the speed at which they coopted the Arizona shooting amazed even me. Read into this what ever you want, but I think The Usurping Marxist Onada and his gang of angry commies were prepared.
I am almost certain that the Spectator was correct, that it was coming directly from the White House so that they could also push civility and look like the good guys later.
Prepared and desperate.