The item was in his carry-on during X-ray screening at a security checkpoint at the airport, an FBI spokesman said in a statement.

美国联邦调查局发言人在一份声明中说，在机场安检处进行 X 光安检时，该可疑物品就在他随身携带的行李中。

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What I also can say is that every passenger that passes security checkpoints is subject to many layers of security, as we all know, including a thorough physical screening at the checkpoint as well as other measures.

WHITEHOUSE: Press Briefing

Screening procedures drew 1, 960 complaints since January 2010, and security checkpoint processing time got 2, 484 complaints since then.

CNN: How much do we really hate the TSA?