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To report part of “The Watchmen,” this week’s cover story examining the uselessness of the D.C. Police Department’s surveillance cameras, I went to the Major Case/Unsolved Homicides page of the department’s Web site to check out the addresses of unsolved murders from 2007 and 2008.

Then I went to the Locations of Neighborhood Cameras page to compare the addresses of cameras to the addresses of murders. I found eight unsolved murders that had occurred within one block of a camera in the last two years.

See for yourself!