By Carrie Johnson
A new study by the Southern Poverty Law Center describes a big rise in hate groups across the country.
By its count, there are now more than 1,000 active extremist groups in the U.S. Experts say the largest increase comes from militias that consider the federal government their enemy.
Mark Potok, director of the Intelligence Project at the law center, has been studying hate groups for a long time. But Potok says even he was surprised when he started counting extremists for his annual report.
"We have absolutely explosive growth of these groups in 2009," Potok says. "And what we have now found is that that growth continued through 2010. We have a higher hate group count than we've ever had."
The Southern Poverty Law Center, a nonprofit organization that tracks extremist
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