In 2004, Novaya Gazeta, with reference to KGB General Oleg Kalugin, published an article that said that since the end of the 1980s the First and Second Directorates of the KGB had used, in exceptional cases and mostly on foreign citizens, a soluble odourless, colourless and tasteless substance code-named SP-117, an improved successor to similar drugs used by the KGB prior, that was effective in making a subject lose control of oneself 15 minutes after intake.РЫБКИНУ ДАЛИ СП-117? Novaya Gazeta, 15 February 2004. Most importantly, a person who would be given, consecutively, two parts of the drug, i.e. both the "dote" and "antidote", would have no recollection of what had occurred in between and feel afterward as though he had suddenly fallen asleep, the preferable way to administer the "dote" being in an alcoholic drink as the latter would serve as a specious explanation of the sudden onset of drowsiness.
