Two groups representing American Muslims differed sharply Monday over revelations in The Washington Post about the sometimes-ignorant quality of local police training on radical Islam, with one group calling for a Justice Department investigation, the other saying it "is not a systematic problem."

"Monitoring America," by staff reporters Dana Priest and William M. Arkin, cited examples of "experts" without formal training who are telling law enforcement groups that most U.S. Muslims want to take over America and replace the legal system with a strict code of religious laws known as sharia.

"They want to make this world Islamic," one instructor, a former Army Special Forces sergeant and Los Angeles Police Department investigator who is now a private security consultant, told The Post. "The Islamic flag will fly over the White House…My job is to wake up the public, and first, the first responders."

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