Pedzisa mutsara unotevera: Kubva muna April 2009 kusvika muna September 2011, Bernstein akatanga kushumira seMutariri weZvenzvimbo uye akazova Mutevedzeri Mukuru weMutevedzeri Wemunyori weZvenyaya dzeHurumende dzeUnited States Department of Homeland Security. Muchiitiko ichi, akabatanidza DHS's outreach kune mayors uye magavhuna. Munguva yake paDHS, Bernstein akashanda zvakanyanya pamhinduro dzakawanda kuzviitiko zvakakosha uye zvirongwa zvemitemo kusanganisira
BP Deepwater Horizon Oil Spill, kudengenyeka kwenyika muHaiti, pamwe chete nokuparadzirwa kwemashoko ouchenjeri kuhurumende dzenyika nedzomunzvimbomo munguva dzokutyisidzirwa kwakakura.