A branch of the Department of Homeland Security's own cost-benefit analysis shows the new radiation detection equipment it wants to buy and deploy for $1.2 billion is not worth the investment, the Government Accountability Office concludes in a recent report. The department's Domestic Nuclear Detection Office conducted the cost-benefit analysis. The equipment, known as "advanced spectroscopic portal monitors," or ASPs, should be capable of detecting radiation inside shipping containers, as well as identifying the type of source from which it...
