Ink analysis tool eyed for tracing letter origins
At Ames Laboratory scientists test a device using photoacoustic spectroscopy to identify ink makeup. John McClelland uses infrared light on ink spots to reveal molecular composition, aiding law enforcement in tracing where letters may have been written. The project, funded by a 160000 dollar NIJ grant, began a couple of months ago.
MENTIONED IN THIS ARTICLE
AMES
Department of Energy
Ames Lab
John McClelland
National Institute of Justice
Iowa State University
Sioux City hires private firm for airport security
Sioux City will hire Sioux City Night Patrol to guard the Sioux Gateway Airport replacing five city police officers. The contract runs one year at 134,732 dollars, with guards carrying weapons and starting by week's end.
MENTIONED IN THIS ARTICLE
Sioux City
Sioux Gateway
Glenn Januska
No environmental hazard found at Sioux City call center
In Sergeant Bluff a WorldCom call center faced two employees fainting and seizures during training. Officials found no environmental threat after tests for anthrax carbon monoxide and hydrogen sulfide were negative. Police blamed personal health factors and stressed no link to a national emergency.
MENTIONED IN THIS ARTICLE
Sioux City
Sergeant Bluff
MCI WorldCom
Dave McFarland
McFarland
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