end of the year. passengers will be able to apply directly through the tsa. it costs $85 for five years and requires to provide fingerprints. but the big question is, does it undermine security? one aviation expert thinks so. >> to me, one of the grievous threats we have now is the person who has never crossed the line as far as the law is concerned. that has a perfect record, never gotten a traffic ticket, nothing, absolutely zero. that can pass this kind of a check with just a fingerprint and other information and $85. >> reporter: the tsa insists the program improves security. >> we look at it as an enhancement to security because it enables us to offer a benefit, expedited screening for