Full coverage: BioWatch under scrutiny
February 1, 2013
WASHINGTON -- Leaders of a House committee probing BioWatch, the nation's troubled system for detecting biological attacks, complained Thursday that administration officials had blocked them from seeing documents held by two senior federal scientists known to have been privately skeptical of the nationwide program.
December 22, 2012
WASHINGTON -- Year after year, health officials meeting at invitation-only government conferences leveled with one another about BioWatch, the nation's system for detecting deadly pathogens that might be unleashed into the air by terrorists.
November 15, 2012
Federal officials have not provided key records sought by a congressional panel, its leaders say.
November 13, 2012
An anti-terrorism expert doubts the reliability of a costly new version of BioWatch, sources say.
8:44 AM PDT, October 22, 2012
For two years, the nationwide BioWatch system, intended to protect Americans against a biological attack, operated with defective components that left it unable to detect lethal germs, according to scientists with direct knowledge of the matter.
September 14, 2012
Democrats and a senior Republican on a House panel endorse a GAO report that faults the government's management of the system designed to detect biological attacks.
September 12, 2012
The GAO says the Department of Homeland Security has not established the need or effectiveness of a multibillion-dollar upgrade to the BioWatch system.
September 8, 2012
Plans have been delayed to buy technology for the nation's system for detecting biological attacks, as the Department of Homeland Security faces questions about whether the system works.
August 23, 2012
BioWatch scientists knew the biological attack detection system was prone to false alarms, records show — contradicting Homeland Security officials' assertions.
July 19, 2012
Democratic and Republican leaders respond to a Los Angeles Times report on problems with the nation's system for detecting biological terrorism.
July 8, 2012
The Department of Homeland Security's BioWatch air samplers, meant to detect a terrorist biological attack, have been plagued by false alarms and other failures.
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