Untraceable - Sergei Lebedev

An extraordinary and angry Russian novel about poisons of all kinds: physical, moral and political. Professor Kalitin is a ruthless, narcissistic chemist who has developed an untraceable, extremely lethal poison called Neophyte while working in a secret city on an island in the Russian far east. When the Soviet Union collapses, he defects and is given a new identity in Germany. After an unrelated Russian is murdered with Kalitin's poison, his cover is blown and he's drawn into the German investigation of the death. Two special forces killers with a lot of Chechen blood on their hands are sent to silence him - using his own undetectable poison. Their journey to their target is full of blunders, mishaps, holdups and accidents.