The book Russian Roulette says that data was stolen from the DNC by two groups of Russian hackers, who seemed to be acting separately. It says that one group wa

The book Russian Roulette says that data was stolen from the DNC by two groups of Russian hackers, who seemed to be acting separately. It says that one group was linked to Russian military intelligence (presumably the GRU) and the other was suspected of being linked to Russian intelligence, 'most likely the SVR'.