please, as a guy with a morcycle, don't ask me to explain why i had a 12 millimeter in a box from the wrong coast, but these things happen. you don't have a consistent system to test. day, you're saying we are safer, well, in fact, only a fraction of the people are going through the full body scanners and the full scanners are repeatedly false positiving. suspect that true? isn't it true that my statement is fair that only a fraction of people go through them with huge false pos sieves today? -- positives today? >> today, only a fraction of the people go through them. they have false positives, not a huge number of false pitives. >> how about in san diego, it's every fifth person that goes through gets a secondary. >> that's possible. >> 20% is not huge, but close enough to huge if you're one the people getting a pat down. you heard testimony here tread that in fact, low level x-ray is long standing to be a problem. what assurance do we have here today that you're not going to be the next situation in which you say, well, it's not a problem, but members on the day who go back and fort