Joyce Stafford, a Hayward resident, exits the security checkpoint after receiving the TSA's new pat-down procedure.

“You want to opt-out?” the TSA officer asked incredulously. I was standing in a newly implemented Advanced Imaging Technology (AIT) machine at the Oakland airport. Passengers are randomly selected as they pass through security to enter the AIT machine, which looks like an oversized metal detector and projects an image of a person’s unclothed body on a screen for TSA officials to review. Those selected have the choice to opt-out of the full-body scan, but must then submit to a thorough pat-down, a procedure that some have called a violation of privacy.

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