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BETHESDA, Md.(AP) In the name of homeland security, America's spy imagery agency is keeping a close eye, close to home. It's watching America. Since the Sept. 11 attacks, about 100 employees of a little-known branch of the Defense Department called the National Geospatial-Intelligence Agency _ and some of the country's most sophisticated aerial imaging equipment _ have focused on observing what's going on in the United States.
Their work brushes up against the fine line between protecting the public and performing illegal government spying on Americans.
Roughly twice a month, the agency is called upon to help with the security of events inside the United States. Even more routinely, it is asked to help prepare imagery and related information to protect against possible attacks on critical sites.
For instance, the agency has modified basic maps of the nation's capital to highlight the location of hospitals, linking them to data on the number of beds or the burn unit in each. To secure the Ronald Reagan funeral procession, the agency merged aerial photographs and 3D images, allowing security planners to virtually walk, drive or fly through the Simi Valley, Calif., route.
The agency is especially watchful of big events or targets that might attract terrorists _ political conventions, for example, or nuclear power plants.
Everyone agrees that the domestic mission of the NGA has increased dramatically in the wake of Sept. 11, even though laws and carefully crafted regulations are in place to prevent government surveillance aimed at Americans.
The agency is not interested in information on U.S. citizens, stresses Americas office director Bert Beaulieu. "We couldn't care less about individuals and people and companies," he said.
But that's not good enough for secrecy expert Steven Aftergood, who oversees a project on government secrecy for the Federation of American Scientists. "What it all boils down to is 'Trust us. Our intentions are good,'" he said.