Sometimes it amazes us how some of these ruthless leaders gained power. Were they voted in through fear or did their original policies seem too good to be true and slowly got worse whilst in power? For some reason, in history, people have somehow been drawn to wicked leaders, and that is somewhat of an anomaly. Either way, take a look at these 24 ruthless leaders of all time and see for yourself. Its amazing how most of them got away with all the evil their perpetrated, and that even includes massive human genocide.