1978 assassination of Georgi Markov
7 September 1978 the Bulgarian dissident Georgi Markov was stabbed in the leg
in public on Waterloo Bridge in the middle of London by a man using a weapon built into an umbrella.
The weapon embedded a small pellet in Markov's leg which contained ricin.
Markov died four days later
2003 envelope in South Carolina
In 2003, a package
and letter sealed in a "ricin-contaminated" envelope was intercepted
in Greenville, South Carolina, at a United States Postal
Service processing center.
2006 home in Richmond,
In January 2006,
ricin was found in a home in suburban Richmond,
Virginia in the form of mashed
castor beans. Although the suspect, Chetanand Sewraz, was allegedly isolating
the toxin to kill his estranged wife, and not for some form of bioterrorism.
2008 hotel room in Las Vegas, Nevada
February 2008, a man who stayed in a Las
Vegas, Nevada motel
room where ricin was found was taken to hospital in critical condition. The
man, Roger Von Bergendorff, was hospitalized on February 14; however, the ricin
was not found until February 27 when a relative retrieved his luggage because
the motel had not been paid for two weeks several vials of ricin were found,