Question: The mid-ranking commander in the SS of Nazi Germany Karl-Otto Koch took part in Holocaust crimes with which accomplice who was tried by the U.S. military in 1947?
Sentence (from "Karl-Otto Koch"): Karl-Otto Koch (] ; 2 August 1897 – 5 April 1945) was a mid-ranking commander in the SS of Nazi Germany who was the first commandant of the Nazi concentration camps at Buchenwald and Sachsenhausen.
Relevant evidence: Yes