On 23 April 2018, a document entitled ""Report to the Minister of Justice, advocate Tshilio Michael Masutha, in the Matter of Dr Verwoerd’s Assassination"" was submitted to the Minister of Justice of South Africa Michael Masutha by Judge Jody Kollapen. The report was written by Harris Dousemetzis, a tutor at Durham University, England, and consisted of three hardback volumes totalling 2,192 pages and 861,803 words. It was accompanied by a 16GB USB that contained all the evidence gathered by the author for this research, including about 12,000 pages of documents located in the National Archives of South Africa, Portugal and the United Kingdom, 137 interviews, including 69 with people who knew Tsafendas personally, some of them well and even as a child, as well as thousands of newspaper articles.