Plain Sight

How did the FBI allow a spy to operate in its midst for more than 20 years and do such devastating damage? Robert Hanssen’s tradecraft was good, but far from perfect. In fact, the FBI missed several chances to nab him. Drop us a line: agentofbetrayal@cbsnews.com To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices