the story behind the title is very interesting (true story)

ok. when i was younger my grandma told me that she used to live in the countryside next to haiti, so the main religion of haiti is vodou and there was a short and strong man living next to her house and he used to practice that religion. ok, so one day she saw that man in a river killing a goat and drinking his blood and so on everytime she saw that man his eyes were glowing blue and people from the zone used to called hin the devil reincarnation later his house burn in flames killing him but nobody could fin the body