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Lennie Mahler | The Salt Lake Tribune Travelers pass through the expedited security line in Salt Lake City International Airport Lennie Mahler | The Salt Lake Tribune Travelers pass through the expedited security line in Salt Lake City International Airport Lennie Mahler | The Salt Lake Tribune Lorie Dankers, Public Affairs Manager with the Department of Homeland Security, demonstrat Lennie Mahler | The Salt Lake Tribune Travelers pass through the expedited security line in Salt Lake City International Airport Lennie Mahler | The Salt Lake Tribune Travelers pass through the expedited security line in Salt Lake City International Airport Lennie Mahler | The Salt Lake Tribune Lorie Dankers, Public Affairs Manager with the Department of Homeland Security, speaks to Lennie Mahler | The Salt Lake Tribune A TSA employee guides travelers through the expedited security line, bottom, aside the sta Lennie Mahler | The Salt Lake Tribune A TSA worker verifies ID of travelers in Salt Lake City International Airport, Tuesday, Ma Lennie Mahler | The Salt Lake Tribune The entrance to the new TSA Pre-Check Enrollment Center in Terminal 1 of Salt Lake City In Lennie Mahler | The Salt Lake Tribune Lorie Dankers, Public Affairs Manager with the Department of Homeland Security, speaks to Lennie Mahler | The Salt Lake Tribune A TSA employee swabs hands and shoes of travelers who asked not to be identified in the ex