They were broadcast weekly on Radio Free Europe. The Bulgarian government reviewed the case for 35 years untilthe longest they could keep going without charges or an arrest order. Report of cases of poisoning by the fruit of Ricinus communis.
A second suspect, General Stoyan Savov, the deputy interior minister, committed suicide rather than face trial for destroying the files. His works were withdrawn from libraries and bookshops and his name was not mentioned by the official Bulgarian media until By ingestion, the pathology of ricin is largely restricted to the gastrointestinal tract, where it may cause mucosal injuries.
In addition, the mannose -type glycans of ricin are able to bind to cells that express mannose receptors.
During this period Markov had a bohemian lifestyle which was unknown to most Bulgarians. Another Bulgarian spy, Vasil Kotsev, who was widely believed to have been the operational commander of the Markov assassination plot, died in an unexplained car accident.
The pellet contained the toxin ricin and caused Markov to die three days later Stefan.