The Transportation Security Administration later confirmed TSA PreCheck remains operational but warned that staffing shortages could affect operations. | KING 5

TSA fails most tests in latest undercover operation — 80% rail rate is "in the ballpark" In recent undercover tests of multiple airport security checkpoints by the Department of Homeland Security, inspectors said screeners, their equipment or their procedures failed more than half the time, according to a source familiar with the classified report. Interested in TSA? When ABC News asked the source if the failure rate was 80 percent, the response was, "You are in the ballpark." In a public hearin