Iskhak Abdulovich Akhmerov (1901–1976) was a highly decorated OGPU/NKVD (KGB) Soviet security officer, best known to historians for his role in KGB operations in the United States 1942–1945. His name appears in the Venona decryptions over fifty times, often as signatory, and on his return to the Soviet Union in 1945/46, he rose to deputy chief of the KGB's 'illegal' intelligence section.
Ishkak Akhmerov (undated)
The People's Commissariat for Internal Affairs, abbreviated NKVD, was the interior ministry of the Soviet Union.
Early NKVD leaders, Genrikh Yagoda, then (1924) 1st deputy head of SOU OGPU Vyacheslav Menzhinsky then head of SOU OGPU and deputy head OGPU, and Felix Dzerzhinsky chief of OGPU, 1924
NKVD chief Genrikh Yagoda (middle) inspecting construction of what was then called the Moskva-Volga Canal, 1935. Behind him is Nikita Khrushchev
Lavrentiy Beria with Stalin (in background) and Stalin's daughter Svetlana