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
Death of a Dissident Death of a Dissident Death of a Dissident: The Poisoning of Alexander Litvinenko and the Return of the KGB is a book written by Alexander Goldfarb and Marina Litvinenko about the life and death of her husband, former FSB officer Alexander Litvinenko who was poisoned by the radioactive element polonium in London in November 2006. The life of Alexander Litvinenko has been described in the book at the background of power struggle between different political forces in post-Soviet Russia. The book presents active measures which, according to authors, have been undertaken by Russian state-security services to bring FSB leaders to