Secondary Security Screening Selection - Wikipedia, the free encyclopedia
- SSSS passengers will go through a more intensive screening process which may include puffer explosive detectors. Their carry-on luggage may be also be inspected by hand. In the case of film or other items that cannot be X-rayed, the agent may perform a test for possible explosive materials. The screener may also use a hand held metal detector to search the passenger for metal objects.[citation needed]
- The efficiency of SSSS is highly questionable, since at least with British Airways and Alaska Airlines the marking happens as mentioned at check-in.[citation needed] Thus a potential miscreant is warned and has the opportunity to leave the public area of the airport or abandon an attempt to smuggle something on board, while other passengers will be continue to be screened.[citation needed]
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