It has also been suggested that he was the mastermind behind the murder-decapitation of the Trotskyist leader of the Fourth International, Rudolf Klement, in France in July 1938, and the murder of the defector Georges Agabekov in France in 1937.
Sergey Brin | Sergey Kuryokhin | Sergey Mikhalkov | Sergey Kirov | Sergey Ivanov | Sergey Chigrakov | Sergey Lazarev | Sergey Kalchugin | Sergey Shoygu | Sergey Pugachyov | Sergey Prokudin-Gorsky | Sergey M. Bezrukov | Sergey Letov | Sergey Kara-Murza | Sergey Gerasimov | Sergey Uvarov | Sergey Ulegin | Sergey Tchepikov | Sergey Spigelglas | Sergey Solovyov | Sergey Sheyko | Sergey Shavlo | Sergey Ryazansky | Sergey Platonov | Sergey Nikitin (musician) | Sergey Nikitin | Sergey Mitrokhin | Sergey Milnichenko | Sergey Mikhaylovich Ignatyev | Sergey Maslennikov |
Slutsky was replaced by Zelman Passov, but soon he was arrested and murdered, his successor Sergey Spigelglas had met with the same fate, and by the end of 1938, he was arrested and murdered.