John Guandolo is a Naval Academy graduate and Marine Corps combat veteran who later worked for the FBI for more than 12 years. In 2008 the Department of Defense hired him to do strategic analysis of radical Islam and Communist groups.
Guandolo shared his expertise on Islam and Communism, discussed the greatest threats to the United States, some of whom come from within, and what he thinks of the current state of the FBI.
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
24/7 News: The Latest
The latest news in 4 minutes updated every hour, every day.
Dateline NBC
Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com