Ricin the attack on Georgi Markov another Bulgarian defector, Vladimir Kostov, survived a similar attack. Kostov was standing on an escalator of the Paris metro when he felt a sting in his lower back above the belt of his trousers. He developed a fever, but recovered. After Markov's death the wound on Kostov's back was examined and a ricin-laced pellet identical to the one used against Markov was removed. Several terrorists and terrorist groups have experimented with ricin and caused several incidents of the poisons being mailed to U.S. politicians. For example, on May 29, 2013 two anonymous letters sent to
Poetry for the Poisoned song "The Great Pandemonium" and released on the band's official YouTube channel on September 6. In 2011, a reissue of "Poetry for the Poisoned" entitled "Poetry for the Poisoned & Live From Wacken: Limited Tour Edition" was released on April 15 in Europe and May 10 in the US. The album was released as a double-disc set, with the first disc featuring "Poetry for the Poisoned" as previously released and the second disc contained 8 live tracks from their show at Wacken Open Air 2010. Disc 1: Disc 2 - Live from Wacken Open Air 2010: Poetry for the Poisoned