A Bulgarian umbrella assassination

The event
Georgi Ivanov Markov was a Bulgarian dissident writer who was killed in London during 1978 with a an umbrella wielded by someone associated with the Bulgarian secret police. It was an umbrella with a hidden pneumatic mechanism which injected a small ricin-filled pellet in to the inteded victim when they are prodded with it.

Also see

 * 1) KGB
 * 2) CIA

Outside sources
https://en.wikipedia.org/wiki/Bulgarian_umbrella A Bulgarian umbrella is ...