 In 1982 a Four Power Agreement was reached, which included a statement from the Governing Mayor of Berlin, Richard von Weizsäcker, that Spandau Prison should be demolished as quickly as possible after the death of its lone inmate Rudolf Hess.Five weeks after the death of Hess on 17 August 1987 at 1610 hours, the demolition of Spandau Prison began and was completed on 4 November 1987.In May 1988 the construction of the new facility started and was finished on 18 September 1990.