WASHINGTON (CNN) -- Hate crimes experts and law enforcement officials are closely watching white supremacists across the country as Barack Obama prepares next week to be sworn in as the first black president of the United States.
U.S. Capitol Police check observation positions in advance of Tuesday's presidential inauguration.
So far, there is no known organized effort to express opposition to Obama's rise to the presidency other than a call by the National Knights of the Ku Klux Klan for its members to wear black armbands as well as fly the U.S. flag upside down on Inauguration Day and Obama's first full day in office.
As Tuesday approaches, when Obama stands outside the Capitol to take the oath of office, experts expect anger about the new president to spike. But they don't expect it to go away.
"The level of vitriol, I expect, will go up a bit more around inauguration time," said Brian Levin, director of the Center for the Study of Hate and Extremism at California State University-San Bernardino.
There "is concern" about white supremacist groups during the inauguration, said Joe Persichini, the assistant FBI director who is helping to oversee security during the inauguration.
What might the Rev. Martin Luther King Jr. have said? »The inauguration of the nation's first minority president increases any potential threat, "particularly stemming from individuals on the extremist fringe of the white supremacist movement," said a recent intelligence assessment by the Department of Homeland Security and the FBI.
But law enforcement has the appropriate resources to respond if needed, Persichini said.
"We have seen a lot of chatter," Persichini said. "We have seen a lot of discussions. We have seen some information via the Internet. But those are discussions. We look at the vulnerabilities and whether or not the groups are taking action.
"You have freedom of speech," he added. "Anyone in this nation can have a discussion about their beliefs, but we are concerned about whether or not they take that freedom of speech and exercise some act that is against the law."
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racist ideology did increase in the hours and days after Obama was elected president in November, hate groups experts said.
Three New York men were indicted on charges of conspiracy to interfere with voting rights -- accused of targeting and attacking African-Americans in a brutal crime spree soon after
Obama was declared the winner on November 4.
And interest in racist ideology was so high right after the election that computer servers for two White supremacist Web sites crashed, according to the Southern Poverty Law Center, which tracks hate groups.
But the violence and interest soon subsided. Leaders within the white supremacist movement are now seeking to capitalize on Obama's presidency by using his election to help grow their organizations.
"President-elect Obama is going to be the spark that arouses the 'white movement,' " reads a posting on the National Socialist Movement Web site. "Obama's win is our win. We should all be happy of this event."
In an interview posted on his Web site on election night, former Louisiana state Rep. David Duke said Obama's election "is good in one sense -- that it is making white people clear of the fact that that government in Washington, D.C., is not our government."
"We are beginning to learn and realize our positioning," Duke, a prominent white supremacist, later said in the election night recording. "And our position is that we have got to stand up and fight now."
Mark Potok, director of the SPLC's Intelligence Project, said the leaders of these groups are frustrated by Obama's win.
"I think the hate groups are desperately looking for a silver lining in a very dark cloud for them," Potok said.
While experts said it is difficult to determine how many people belong to hate groups, they do agree with an SPLC estimate that claims there are about 900 operating now, a 40 percent increase from 2000. The vast majority of these groups promote white supremacist beliefs, and range from skinheads living in urban areas to the KKK ,which is based largely in rural settings.
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