Black Hand (Serbia) Balkan Wars. By this point, disagreeing with the Black Hand was dangerous, as political murder was one of their tools. It was also in 1914 that Apis allegedly decided that Archduke Franz Ferdinand, the heir-apparent of Austria, should be assassinated, as he was trying to pacify the Serbians, and if this happened then a revolution would never occur. Towards that end it is claimed that three young Bosnian Serbs were recruited to kill the Archduke. They were definitely trained in bomb throwing and marksmanship by current and former members of the Serbian military. Gavrilo Princip, Nedeljko Čabrinović and Trifko Grabež
History of modern Serbia of the Austro-Hungarian Empire, Archduke Franz Ferdinand of Austria, at his announced visit in Sarajevo. After Nedeljko Čabrinović's first unsuccessful attack, the Bosnian Serb nationalist Gavrilo Princip assassinated the Archduke and his wife Sophie Chotek. Princip, Čabrinović and their accomplice Trifko Grabež had come from Belgrade; the three told almost all they knew to Austro-Hungarian authorities. Serbian Major Vojislav Tankosić directly and indirectly not only had provided six hand grenades, four Browning Automatic Pistols and ammunition, but also money, suicide pills, training, a special map with the location of gendarmes marked, knowledge of contacts on a special channel used to