The man who helped Vladimir Putin to become a president

"I think there probably was. At that point, if we would have understood that the KGB was embedding itself into the Russian government, preparing a takeover in 1999, was there a possibility to head this off?" According to Baer, the Russian spies who infiltrated the CIA in this period were known as "The Cambridge Five but only worse" - referencing Soviet spy ring who infiltrated in UK from 1930s to 1950s.