This whole episode wasn't about Zimmerman's guilt, "Justice for Trayvon", or any of that nonsense.
The Point for the Ubama Administration was to stir up a Racial incident because You never want a serious crisis to go to waste, that is where you can grasp the most power in the least amount of time.
The logic behind Obama’s push on this is simple. Whites need to be reminded that they’re all racist at heart, and therefore need another four years with him as president to try and correct all our wrongs.