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Transportation Security Administration, Department of Homeland Security, Executive (1 - 2 of 2 items) in Custom Date Range

Investigative Operations

Use of Covert Testing to Identify Security Vulnerabilities and Fraud, Waste, and Abuse
GAO-08-286T, Nov 14, 2007

Mass Transit

Challenges in Securing Transit Systems
GAO-02-1075T, Sep 18, 2002