Two years after Russian opposition leader #AlexeiNavalny died in prison, five European countries claim they have identified the substance that killed him: epibatidine, an extremely lethal #toxin produced by the South American poison dart frog. But why go through the trouble of using such a rare, exotic #poison naturally found only on the other side of the world? Some experts believe #Navalny may have been used as a lab rat.
#Russia