The Red Scare
Staring
That guy from Wisconsin
Senator McCarthy
Julius & Ethel Rosenberg
Advanced Technology
Extremely hard to find
The communists were able to hide in plain sight and with their advanced technology they were able to communicate. Some were caught like Abel, from the Bride of Spies movie that is based on real life events. Truly a frightening thing, they could be anyone, even to this day there may be spies amongst us, so watch yourself.