By John Dunbar and Erin Quinn
This story was published by The Center for Public Integrity, a nonprofit, nonpartisan investigative news organization in Washington, D.C.
In recent weeks, riders of Washington, D.C.’s
U.S. News 
Mario Tama/Getty
The Sleazy War on the Humane Society
Dog Days
The Humane Society is under attack by a PR firm that advises the American Kennel Association. Who runs the firm behind the attacks?
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