and especially when we have wind chills below zero. you can not have people lined up with the infants or elderly. you're going have to let people indoors and decide where you're going to set the checkpoint up. tsa guards and manning the checkpoints are not armed, so there are police officers that are supposed to be close by, and that's what you have in this case. you have a police officer who when alerted to the whole problem of this person attacking the the officers, that officer came and opened fire on the individual. >> yeah, you make a good point. wherefore you approximate put that check someone that has the motive will do everything that they plan right before that. tom, stay with us because we want you to weigh in on this story as well. second unsettling story at an airport. appears that the security administration has explain to do. >> yeah, the tsa athlete a