Spandau Prison determine who controlled the prison. The prison was demolished in 1987, largely to prevent it from becoming a neo-Nazi shrine, after the death of its final remaining prisoner, Rudolf Hess, who had been the prison's sole occupant after the release of Speer and von Schirach in 1966. To further ensure its erasure, the site was made into a parking facility and a NAAFI shopping center, named "The Britannia Centre Spandau" and nicknamed "Hessco's" after the well known British supermarket chain, Tesco. All materials from the demolished prison were ground to powder and dispersed in the North Sea or buried at
Inert gas asphyxiation accidental death in humans, inert gas asphyxia with gases including helium, nitrogen, methane and argon has been used as a suicide method. Inert gas asphyxia has been advocated by proponents of euthanasia, using a gas-retaining plastic hood device colloquially referred to as a suicide bag. Nitrogen asphyxiation has been suggested by a number of lawmakers and other advocates as a more humane way to carry out capital punishment. In April 2015, the Oklahoma Governor Mary Fallin signed a bill authorizing nitrogen asphyxiation as an alternative execution method in cases where the state's preferred method of lethal injection was not available