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TSA's 'SSSS': Understanding secondary security screenings at airports

TSA's 'SSSS': Understanding secondary security screenings at airports
Policy
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Ha Nguyen McNeill Deputy Administrator | Transportation Security Administration

The Transportation Security Administration (TSA) employs a random and layered security measure known as "Secondary Security Screening Selection" or "SSSS." This additional screening is part of the TSA's Secure Flight program, which uses passengers' personal information to distinguish between high-risk and low-risk travelers. According to the TSA, "movements of large amounts of cash through the checkpoint may be investigated by law enforcement authorities if criminal activity is suspected."

Passengers marked for SSSS undergo further checks based on various factors, including travel history or itinerary anomalies such as one-way tickets or using multiple passports. The Department of Homeland Security (DHS) supports this process with data from agencies like Customs and Border Protection (CBP), Immigration and Customs Enforcement (ICE), and others.

Some passengers experience repeated SSSS screenings due to their names resembling those on the No-Fly List. To resolve such issues, travelers can apply for the DHS Traveler Redress Inquiry Program (TRIP). Upon approval, a redress control number is provided to help avoid future SSSS designations.

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Natalie B. Compton of The Washington Post notes that experiences with SSSS vary widely among travelers. Despite occasional inconveniences, most enhanced search scenarios are brief. Travelers can expedite airport processes by enrolling in programs like Global Entry or TSA PreCheck.

In 2009, Papers Please! reported an incident where a traveler was detained due to unclear scanner images involving cash. The TSA has since updated its protocols but maintains that cooperation during screenings is essential.

The TSA screens over 2 million passengers daily across 440 federalized airports in the United States. With more than 50,000 transportation security officers and significant investments in technology like CT X-ray scanners, the agency continues to enhance its security measures.

For individuals facing ongoing screening challenges without cause, applying for TRIP might provide relief. In all cases, remaining calm and cooperative during secondary screenings is advised.

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