Question

the was part of stalins secret police force. nkvd kgb cia swat

Explanation:

The NKVD (People's Commissariat for Internal Affairs) was the primary secret police and internal security agency under Stalin's rule in the Soviet Union. The KGB was a later successor agency established after Stalin's death, the CIA is a U.S. intelligence agency, and SWAT is a modern tactical law enforcement unit, not related to Stalin's secret police.

Answer:

NKVD