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 idea was then proposed by Lawrence J. Gist II, an attorney at law, under the title, International Humanitarian Hypoxia Project. In a televised documentary in 2007, the British political commentator and former MP Michael Portillo examined execution techniques in use around the world and found them unsatisfactory; his conclusion was that nitrogen asphyxiation would be the best method. In April 2015, Governor Mary Fallin of Oklahoma signed a bill allowing nitrogen asphyxiation as an alternative execution method. Three years later, in March 2018, Oklahoma announced that, due to the difficulty in procuring lethal injection drugs, nitrogen gas would be its