According to Fyodor Morgun , a politician of Soviet and Ukrainian descent , Kulakov seemed worried just days before his death .
Anonymous sources state that Andropov may have had been involved in the deaths of Kulakov in 1978 , and Pyotr Masherov in 1980 .
According to Fyodor Morgun , a politician of Soviet and Ukrainian descent , Kulakov seemed worried just days before Kulakov 's death .
Anonymous sources state that Andropov may have had been involved in the deaths of Kulakov in 1978 , and Pyotr Masherov in 1980 .