Jeremy Scahill is an American investigative journalist and author whose work focuses on the use of private military companies.He is the author of the best-selling book Blackwater: The Rise of the World's Most Powerful Mercenary Army, winner of a George Polk Book Award.He also serves as a correspondent for the U.S. radio and TV program Democracy Now!. Scahill is a Puffin Foundation Writing Fellow at The Nation Institute and a frequent contributor to The Nation.