Their crimes seem to be taken straight from a horror film but these murderers actually existed in real life, committing atrocities wherever they went. Their horrifying actions were committed for a variety of reasons, and some for no reason at all. Men, women, children, and even family members were slaughtered and tortured at the hands of these killers, who themselves ranged from aristocrats to penniless drifters.
Click on to see the most dangerous serial killers in history. If you dare...