joining me to talk about it, former atf special agent in charge and msnbc analyst jim cavanaugh. hey, jim, good morning. >> good morning, chris. >> the former lapd head bill bratton has been clear about what he thinks should change immediately. let me play what he says. >> the quickest and best way to go would be more police presence at those baggage screening areas. >> and in fact the union representing tsa screeners says the shooting does show a need for armed security officers at every single checkpoint at airports. what's your take on what happened and what it should tell us about airport security? >> well, we have to review it. administrator pistole said he's going to review the procedures and all the airport police chiefs across the country have a great association and i know they'll be looking at it. here's the issue. there's two missions here. the tsa's mission is safe travel, to secure the aircraft and the passengers so there's no bombs, guns, you're not hurt when...