 But the urgent priority is to confirm that he was acting alone, that there is no additional threat. And then the questions about motive, how he was able to pull it off, and whether there were any deficiencies in the security plan. Aaron, thank you. And again, in all of this, we can't forget that a person died today, an innocent bystander who was there at this rally. One of three people shot by this gunman, the other two taken away to the hospital in critical condition.