>> they look at slides of people. >> how many buttons are on the screen. >> 4. >> yes. >> the private company makes these screeners special. >> you are a protection officer you have to be able to look at something, look at a lot of people and be able to maintain what they saw. these are things you find out who is very good at that stuff. >> we are competitive. >> skreerns love the contest. >> usually it's did you go? yes. what's your score? i am not telling you. you tell a person your score they try to beat you. you want to be the winner. it's like bragging rights. >> i suppose they get better with these contests? >> oh, yes, they have to. >> if you don't have a passion for it you need to find another job. >> who knew privatization would create better attitude. >> i bet you are making money. that's money coming out of my pocket. >> i don't mind making a little profit. it's a capitalistic way. >> profit makes you try harder.