Donald Neilson was born Donald Nappey on 1st August 1936, and seems to have enjoyed a relatively normal, crime-free childhood, marred only by the teasing and bullying that he was subjected to on account of his surname. National Service, which he enjoyed immensely, was followed by his marriage in 1955. The birth of his daughter, Kathryn, in 1960, prompted him to change his name to Neilson, by deed poll, in order that she would not suffer a similar fate.
A search of his home revealed panther masks and a model of a black panther...