Ricin immunogenic in mice, rabbits, and humans. It has completed two successful clinical trials. Ricin has been involved in a number of incidents. In 1978, the Bulgarian dissident Georgi Markov was assassinated by Bulgarian secret police who surreptitiously shot him on a London street with a modified umbrella using compressed gas to fire a tiny pellet contaminated with ricin into his leg. He died in a hospital a few days later and his body was passed to a special poison branch of the British Ministry of Defence (MOD) that discovered the pellet during an autopsy. The prime suspects were the Bulgarian
The Umbrella Coup who wants a real killer. Lecomte's performance is convincing and consequently he receives a contract to finish off arms dealer Otto Krampe. He is supposed to kill Krampe with an umbrella containing a built-in syringe full of potassium cyanide at his birthday party in St-Tropez. Lecomte takes the don for a producer and believes this was all part of shooting a film. The Umbrella Coup The Umbrella Coup () is a 1980 French comedy film directed by Gérard Oury, starring Pierre Richard, Gordon Mitchell and Gert Fröbe. The creation of the film was inspired by several assassinations of Bulgarian dissidents