Later that year, Department of Homeland Security Secretary Michael Chertoff announced the Secure Border Initiative - a multi-billion dollar program that would aim to stop the flow of illegal immigrants, criminals and narcotics through the expanses of land between legal ports of entry. Sensors, cameras, improved communications systems and unmanned aerial vehicles will constitute the so-called virtual fences, which will be employed in areas where traditional fences are not practical. Remote areas that require illegal crossers to traverse vast expanses before reaching a road or city can use sensors to identify and track interlopers for hours or days before the Border Patrol apprehends them.
Pages to are hidden for
"Border Calculus"Please download to view full document