
Sergei Tscherkasow
Sergei Tscherkasow, identified as a Russian intelligence officer, was in the news after attempting to enter the Netherlands under a false identity as Victor Muller Ferreira, a Brazilian student. His arrest in Brazil highlighted a broader issue of Russian spies using the country to establish new identities for covert operations in the West.
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Switzerland:
Sergei Tscherkasow was a Russian intelligence officer who was arrested in Brazil for using a fake Brazilian identity.
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