Common components reported include pufferfish (source of tetrodotoxin), human remains, lizards, toads, and irritating plants.
Davis hypothesized that zombification was achieved through a powerful tetrodotoxin-based powder (zombie powder). The Serpent and the Rainbow
Wade Davis's The Serpent and the Rainbow is an anthropological investigation into the Haitian "zombi" phenomenon. a man who allegedly died
Davis traveled to Haiti to investigate the case of Clairvius Narcisse , a man who allegedly died, was buried, and later reappeared as a "zombie" working on a plantation. the movie dramatizes Davis's research
Directed by Wes Craven, the movie dramatizes Davis's research, turning it into a supernatural political thriller .