You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the 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?" whose answer is Ilse Koch.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Konrad Morgen tried by U.S. military 1947
Useful Output:

Doc 1: 25. Berlin Document Center (hereafter BDC), SS-Personalakte Morgen; interrogations of Morgen by U.S. war crimes investigators on Aug. 30, 1946,
Doc 2: Konrad Morgen served in the SS as investigative judge. One of the cases he was involved in, was that of Karl Otto Koch, the commander of concentration camp
Doc 3: 1 The witness, SS-Sturmbannführer Konrad Georg Morgen  He had been amnestied under the youth amnesty declared by the US Military Government in August 1946.
Doc 4: Georg Konrad Morgen (8 June 1909 – 4 February 1982) was an SS judge and lawyer who investigated crimes committed in Nazi concentration camps.
Doc 5: Konrad Morgen was a SS judge and witness at the First Frankfurt Auschwitz trial. Before her death, Morgen's wife had transferred her husband's bequest with all