Spying, having traces since the Monarch period or maybe even before that, plays a crucial role in times of war and concept economy. The presence legal backup behind art spying is equally balanced with illegality it. Considering security economic stability nation, spies are used, though such activities illegal same nation also punishes any person involved activity from another nation. With situa...

This review article is devoted to a methodological notebook published by Ukrainian polygraphers. They presented ready-to-use solutions that can be applied when investigating sabotage and espionage suspects. Among other things, the reviewed publication discusses techniques for conducting polygraph examinations provides examples of question sets used during testing.