The post that was quoted here has been removed
Now it seems more likely it was domestic terror, some kind of anti government group with a gripe against a local government office it seems, they targeted a county health bash, a luncheon for county health workers.
This was a cowardly act in the worse way, so far 14 dead and 14 more injured, the perps in full body military armor with masks just burst in firing AK47 like weapons, then running away. That is the sign of cowardice, not staying to fight it out with similarly matched foes, but choosing to run away like the low minded cretins they really are. My own mom was treated at that facility, they live in Fallbrook, a town maybe a half hour drive away.
They being my sister taking care of our elderly mom, Dora, who is now 96 but still going strong.
So it looks like they may have driven off in a black SUV but considering the planning involved, no doubt had a second get away car nearby and to ditch the SUV which, when found, will probably found to be stolen and no fingerprints or any other identifiers in that car.
This is just my supposition so time will tell, maybe they will send some kind of message claiming responsibility, like 'we are the National Survival Army and we hate the government and we are coming after you again' kind of message I bet shows up tomorrow or in a few days. Probably from a burner phone or laptop they would then burn up in a furnace or ax it apart to keep from being tracked. All the hallmarks of true cowards.