You’re focusing too much on the nazi point. Industrial espionage was a key function of the NKVD, as documented in their archives. This continued through at leas

You’re focusing too much on the nazi point. Industrial espionage was a key function of the NKVD, as documented in their archives. This continued through at least the 1970s. After WWII and the purges Soviet science and engineering were devastated, and the industrial espionage was key to rebuilding.