Greeson: Trying to comprehend incomprehensible acts

A Hamilton County Sheriff's officer carries a rifle out of Erlanger Hospital's emergency room when the lockdown is ended after a shooting at both the Amnicola Highway Armed Forces Career Center and the Naval Operational Support Center on Amnicola Highway on Thursday, July 16, 2015, in Chattanooga. The shooting left five dead, including the shooter, and a Chattanooga police officer wounded.

We have been attacked by a terrorist.

Here in Chattanooga. Where we live and raise our families. Where we work and worship. Where we believe in the life lessons that our parents taught.

We are not alone.

Cities across the country and across the globe have been assaulted, too. Their prayers are now our prayers, their fears, our fears.

In