Over 400 were tortured by the German security police and Gestapo, and 162 died in concentration camps or were executed.
[3] "Horror house" as the nickname was of Arkivet, is today the only surviving Gestapo headquarters in Norway, and appears almost authentic.
[4] Kerner was in charge of several German security police actions at Sørlandet in World War II together with the Norwegian Statspolitiet (STAPO).
Yet, the Supreme Court of Norway dismissed Kerner at this point because there was insufficient evidence of whether the minimum requirements for a lawful execution had been met.
Kerner was released in October 1953 and then returned to Germany, expelled and declared unwanted in Norway for lifetime.