Russia and China are espionage powerhouses, but a tiny nation may be the most dangerous of all. Cuba has run an extensive spying operation inside the U.S. for decades and, according to sources, continues to this day. One of its spies was Ana Montes, who according to some, is one of the most damaging U.S. spies — ever. FBI Special Agent Pete Lapp breaks down her case and the danger.
Listen to more from the show: Target USA
