Eric Lichtblau

New York Times reporter Eric Lichtblau discusses the FBI's investigation of shooter Omar Mateen prior to the Orlando attack, as well as the bureau's broader efforts to pinpoint suspected terrorists.

After World War II. thousands of Nazis became informants in the Cold War against the Soviet Union -- and then got entry into the U.S. Eric Lichtblau's new book, The Nazi Next Door, tells the story.