San Francisco Bay Area Rapid Transit (BART) Police Department Deputy Chief of Operations Daniel Hartwig, testifies on Capitol Hill in Washington, Wednesday, May 4, 2011, before the House Homeland ... more 
San Francisco Bay Area Rapid Transit (BART) Police Department Deputy Chief of Operations Daniel Hartwig, testifies on Capitol Hill in Washington, Wednesday, May 4, 2011, before the House Homeland Security Committee hearing on mass transit security. less 
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Associated Press | Photo By Manuel Balce Ceneta
Wed, May 4, 2011 1:12 PM EDT