The Department of Homeland Security's mission is broad and all-encompassing--from aviation security to border security, emergency preparedness, cybersecurity, critical infrastructure protection, and counterterrorism.
Thompson outlines the extensive responsibilities of the Department of Homeland Security.
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At a time when DHS is rightly warning about an elevated threat environment from terrorists and cartels, we should be focused on plugging security gaps rather than senselessly creating new ones.
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