Overlooking the Moskva river, the Russian capital's imposing President Hotel was the setting for a recent successful human intelligence operation carried out by Ukraine's SBU. The intelligence agency managed to bypass security checks to infiltrate an informant at the annual artificial intelligence (AI) and robotics exhibition held from 12 to 14 March in the cold, marble halls of this massive architectural example of declining Soviet power.

This visitor enabled the SBU to collect documents and take