Department of Homeland Security Chief of Staff Christian Marrone speaks to a Penn State security and risk assessment class on Wednesday.
Department of Homeland Security Chief of Staff Christian Marrone speaks to a Penn State security and risk assessment class on Wednesday.
Department of Homeland Security Chief of Staff Christian Marrone speaks to a Penn State security and risk assessment class on Wednesday.

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Penn State alumnus Christian Marrone shares insights into work helping to lead Department of Homeland Security

October 29, 2014 6:18 PM

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