A similar event that occurred ten days before at the Paris Metro targeting Vladimir Kostov, and the perpetrator of this event used an (*) ordinance containing 90% platinum and 10% iridium that was designed to melt at 37 degrees Celsius.
Stefanie Gregg's And the Scent of White was an account of the investigation into this event. The perpetrator of this event was codenamed "Piccadilly" (PICK-uh-dil-ee) and was later identified as Danish national Francesco Gullino. Its target was known as "Wanderer" and had previously written the In Absentia Reports to be broadcast on Radio Free Europe. A similar event that occurred ten days before at the Paris Metro targeting Vladimir Kostov, and the perpetrator of this event used an (*) ordinance containing 90% platinum and 10% iridium that was designed to melt at 37 degrees Celsius. This action was carried out while the target was walking over Waterloo Bridge, and the target died 10 days later of ricin poisoning. For 10 points, name this event in which a Bulgarian dissident was assassinated using a pellet launched from an umbrella.
Stefanie Gregg's And the Scent of White was an account of the investigation into this event.
Assassination of Georgi Markov [accept equivalents; accept the Umbrella murder before mention]