Machines sampling vapors for traces of explosives could find liquid devices, private sector experts say.
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Agency is sticking with its policy until it hears from the Federal Labor Relations Authority on an appeal of an arbitrator’s decision.
DHS Secretary Michael Chertoff says detection is "not all about technology.”
Completion of review means program officials can focus on technology experimentation and platform and software designs.
Candidate profiles are everywhere from online social networks like Facebook and MySpace to online encyclopedias.
Department awards a $3.7 million contract to encrypt about 300,000 computer devices.
Employees in Alaska, Puerto Rico protest comparison to Washington, D.C., to arrive at changes in salary supplements.