British journalist and documentarian Jon Ronson
Listen
His book is called Them: Adventures with Extremists. (Simon and Schuster). He traveled around the world interviewing different types of extremistsfrom Islamic fundamentalists in a Jihad training camp, to Ku Klux Klansmen at rallies. Them was first published in the U.K. in the spring of 2001.

Comments
Discussions for this story are now closed. Please see the Community FAQ for more information.