Which year did armed robber, kidnapper and multiple murderer Donald Neilson, alias “The Black Panther,” die?

Your knowledge could win you a prize! Just enter your answer and your details below – click on “send form” – and if yours is the first correct answer picked at random on February 2nd, 2022, we’ll send you a a hardback copy of  The Black Panther: The Trials and Abductions of Donald Neilson (published by The History Press; ISBN 9780750967389; £18.99) by Gordon Lowe