Maureen Callahan Collection

Maureen Callahan is an award-winning investigative journalist and the author of the New York Times bestseller American Predator: The Hunt for the Most Meticulous Serial Killer of the 21st Century. Her writing has appeared in Vanity Fair, Spin, the New York Post (where she was a longtime columnist), and the Daily Mail, where she currently has a column. She lives in New York.