Berthold was tried in the Volksgerichtshof ("People's Court") by Roland Freisler on 10 August and was one of eight conspirators executed by strangulation, hanged in Plötzensee Prison, Berlin, later that day.
After his arrest in 1944, he was sentenced at the Volksgerichtshof by Roland Freisler to death, and one month after the plot's failure, on 23 August 1944, Otto Kiep was hanged at Plötzensee Prison in Berlin.