Poison squad stalked Alexei Navalny on 40 flights, says Bellingcat investigator

Bellingcat investigative journalist Christo Grozev. Photograph: Hannah McKay/Reuters

source https://www.theguardian.com/world/2021/jan/17/poison-squad-stalked-alexei-navalny-on-40-flights-says-bellingcat-investigator