Condolescences to the families of the slain, and best wishes goes to the injured.
Now comes the waiting as the FBI and other law enforcement agencies do the hard work of investigating what exactly happened and who did it. Already the opportunists are coming out to blame their political opponents and/or give uninformed opinions for pay/screen time. To my knowledge, no one has claimed responsibility for the attack. There are approximately 12 million people in this nation who believe the world is being run by shapeshifting reptiles. For all we know right now, it could have been one of them trying to liberate us from our reptilian overlords. We just don’t know.
Like most people, I have a burning need to find the person(s) behind this and do horrific things to them. I also know that I am a skeptic, which means I will wait until the evidence is there to make a decision. Right now, the chattering class is busily filling the airwaves and Internet with noise.
I will wait patiently for the evidence, and deal with the frustration of not knowing. I would urge everyone else to do the same.