“We are not getting the support from the public that we would like,” announced Detective Superintendent J. N. Black during investigations into the murder of Mrs. Thelma Schwarz, 55, found beaten and strangled in her flat in Moorhouse Road, Notting Hill, on Saturday, March 17th, 1956.

The reason for the lack of co-operation was that the key witnesses were recent immigrants who were probably bemused by the sudden police spotlight thrown on them. The victim herself was an Austrian who had fled the Nazi regime in the late 1930s. Despite the wall of silence police interviewed some 10,000 people and took more than a thousand statements – all to no avail. UK Murder Stories from True Crime Library.

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