"A law enforcement source identified the gunman as James W. von Brunn, 88, who is known to authorities as a white supremacist. On a Web site he apparently maintains extolling a "Holy Western Empire," von Brunn says he served in the U.S. Navy during World War II, worked for 20 years as an advertising executive and film producer in New York and then became "an artist and author" living on Maryland's Eastern Shore."
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SPLC: Shooter had deep ties to far-right extremists by Jed Lewison Wed Jun 10, 2009 at 12:38:26 PM PDT
"Heidi Beirich of the Southern Poverty Law Center says the SPLC had been tracking James von Brunn's involvement with right-wing extremists, including neo-Nazis and white supremacists, since the 1970s."