Question: The Miami Showband was part of a killing that was perpetrated by what group?
Sentence (from "Walter Blume (SS officer)"): Walter Blume (23 July 1906 – 13 November 1974) was a mid-ranking SS commander and leader of "Sonderkommando" 7a, part of the extermination commando group Einsatzgruppe B.
Relevant evidence: No