nicholas the second, the last czar to reign over russia. >> him, his wife, five children, the doctor, the servants were all massacred. their bodies were cut up and burnedwhat remained was buried in a shaft which was rediscovered a few years ago. then in august of 1918, those who felt betrayed the revolution who took shots at him almost fatally, lenin and his henchmen agreed to carry out that in return. this is a terrible thing. people were taken out of prison who had never been tried, done nothing, they were summarily shot. hundreds of people shot at nig night. >> bret: many others found themselves banished to forced labor camps. later, under joseph stalin, the system would become known as the gulag. >> a part of the red terror was a gathering of all opposition members into concentration camps outside of major cities. these were the very first cams and it was from these cams that the entire glock system developed. it's what came later. >> bret: the czar was regarded as a tyrant. under lenin and his followers, millions would die at the hands of the state. >> it's difficult to cackle and how many people came to die under lenin's system and stalin's syste