The movie that shocked the World in 1974 by marketing it as a movie which was based on a true story is back. This time you are able to watch it in 3D. The film we refer to is the Texas Chainsaw 3D. The serial killer in The Texas Chain Saw Massacre from 1974 was based on Ed Gein, a real-life murderer. Check out the trailer of their 2013 Texas Chainsaw movie.