http://story.news.yahoo.com/news?tmpl=story2&u=/ap/gop_convention_security....
The overall surveillance effort has been overshadowed by far-reaching counterterrorism measures planned for the Aug. 30-Sept. 2 event. Officials won't discuss it in detail, other than to say investigators always act within the law.
"Violent acts are not protected by the U.S. Constitution, and the FBI has a duty to prevent such acts and to identify and bring to justice those who commit them," FBI Assistant Director Cassandra M. Chandler said Monday in a statement.
Ann Roman, a Secret Service spokeswoman, said its agents expect to respond to an increase in possible domestic threats against President Bush (news - web sites) and other dignitaries as the convention at Madison Square Garden nears.
"How we do that specifically, I'm not going to go into," Roman said.
According to three law-enforcement sources, federal agents in New York have begun interviewing people they believe might know about plots to sow mayhem at the convention, and have used surveillance against possible suspects.
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