If there's someone in America who has a nose for travel shenanigans, who can notice things that don't seem to smell fine, it's the TSA, if it were a person. Established in 2001 following the 9/11 attacks, the Transportation Security Administration (TSA) is under the United States Department of Homeland Security (DHS), and keeps all its eyes (and nose, too) on the security lines to ensure that no trouble gets the chance to board and enter transportation hubs. Their watchful eyes aren't too friendly — and for good reason: to stop a dangerous turn from boarding.

TSA officers control the security lines in transportation systems in the United States, particularly at airports. They screen passengers and baggage, work with law enforcement and intelligence agencies, and implement security measure

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