The Guardian: Suspect in Washington DC national guard shooting had ties to CIA, agency confirms

[haele]

19. I agree there's plenty of blame in all situations gone wrong

However, please understand the vast difference between finding a cause and taking advantage to score points in a situation.
There isn't always a conspiracy theory behind everything that happens, nor are there always one group that causes all the trouble. Both sides don't always do the finger pointing, because frankly, anyone with experience in politics understands there's always more than two agendas in play unless there is a conspiracy or propaganda pushing a narrative - especially when diverse opposition groups are lumped into one overall political spectrum group and blamed for political expediency.

I might jump to conjecture occasionally, but I always try to use the facts I know (not talking points I've heard), as I've always found that the three "P"s inevitably apply whenever there's a violent situation...
Personal, Psychological, or Political.

Your milage may vary, but this situation has more than a little suspicious timing to it, and the consideration of Cui Bono is not unexpected in all the hysteria that's surrounding it.