The Spectre Of The Lone Gunman

Jon Kelly at the BBC News Magazine looks at the history of threats from people like Lee Harvey Oswald (seen in the above photo).

Two hundred years ago, an assassin gunned down Prime Minister Spencer Perceval in the House of Commons. His death ushered in a threat that security services have struggled to deal with ever since - the lone gunman.

You can read the rest of the piece via the below link:

http://www.bbc.co.uk/news/magazine-17996498