The U.S. government's multibillion-dollar drive for homeland security has produced a boom in antiterror technologies. At the same time, it has created problems ranging from industry confusion to lack of basic accountability, and privacy concerns are higher than ever. . . .
The price of safety

The U.S. government's multibillion-dollar drive for homeland security has produced a boom in antiterror technologies. At the same time, it has created problems ranging from industry confusion to lack of basic accountability, and privacy concerns are higher than ever.

Day 1: Throwing money at technology

Strategic conflicts, rampant confusion, miscommunication and election-year politics are slowing counterterrorism efforts.

Day 2: Companies profiting from fear

Coming Oct. 19: Multibillion-dollar security initiatives have given rise to a new industry seemingly overnight.