There was no D 5. It was succeeded by eight trial series (Versuchs-Serie) D 6 prototypes in 1937.
The trial series was planned using orthogonal experimental design.
"We supported the 'Duch on Trial' series as a great way of demystifying the processes of the court".
The establishment of the trial series was supported by the Concerted Action of the Commission of the European Communities (AAAIR3 Programme, Grant No. CT94-2091).
In 1991, as part of the Guardian's Justice on Trial series, which had just been launched, we wrote of the major discrepancies in the prosecution of the five.
Eddie Gilfoyle, 49, whose continued imprisonment was highlighted by the Guardian's justice on trial series, among others, was freed from Sudbury open prison in Derbyshire yesterday.
In the Trial series classical ruins, a picturesque waterfall and the Bridge of Sighs at St John's College, Cambridge, all erupt among the anxious monochrome attitudes of a cinematic courtroom scene.
Margie Goldstein-Engle of Wellington, Fla., led an all-female team in qualifying for the United States Olympic team after the final round of the show jumping trial series at Del Mar, Calif.
It is a grim picture that underlines the need for the Guardian's new Justice on Trial series of investigations into claims of miscarriages of justice that is launched this week.
The Criminal Cases Review Commission (CCRC) referred his case - which since 2010 has been highlighted by the Guardian in its Justice on Trial series - to the court of appeal earlier this year.
Some of the names will be familiar to Guardian readers as they have featured either in the Justice on Trial series run in the newspaper in the 1990s or are among those published online since the website version was launched in 2009.
