Desc: Selling Murder: The Killing Films of the Third Reich: Directed by Joanna Mack. With Sean Bennett. A film about the secret films of the Third Reich trying to convince the public and the Nazi party members on euthanasia having to to with the "T4" program. The killing of handicapped people. The most important aspect of the T4 program is the gas chambers created to murder, successful, and used to a larger capacity in the death camps later on.