he said the changes have come from tsa leadership. more than 40 million u.s. airline passengers are expected to go through airport security checkpoints this holiday, but this tsa security director says you may not be as safe as you think. what they re doing is injecting danger into the system. reporter: jay brainard is the top tsa official in his state and has been with the agency for 17 years. he said tsa is cutting corners on the screening process to shorten wait times. one example, tsa reduced the sensitivity on all walkthrough metal detectors at airports across america. they re reducing the concentration of metal it would take to set off the alarm so you could speed up the lines and have fewer pat-downs. how do you know? because there s a memo that supports it. reporter: the memo came out in 2013 saying, quote