The train them using books by Robert Spencer. See here.
A January study by a liberal research group found a pattern of misleading and inflammatory training about Islam across the country, and a 2009 F.B.I. training document obtained recently by the American Civil Liberties Union gave a provocative account of Islam.
The F.B.I. document recommended two books by Robert Spencer, an anti-Muslim blogger and author whose work was repeatedly cited in the online manifesto of Anders Behring Breivik, the Norwegian accused of killing at least 76 people last month.What can one expect from people thus trained?