He was sentenced to 20 years in prison at the Salonika trail in 1917[1] for his participation in the Black Hand,[2][3][4] and his role in the assassination of King Aleksandar Obrenović and his wife Draga Mašin[5] and for firing the first shot.
Since the court proceedings against Vemić were not initiated in a timely manner, Social Democratic MPs Dragiša Lapčević and Triša Kaclerović submitted an interpellation to the Minister of War in early June 1913, demanding an appropriate punishment for this crime.
[7] When journalist Luigi Albertini wrote his investigation into the origins of the First World War in the 1930s, many participants were still alive to be interviewed about their recollections of those tragic moments.
He questioned the surviving members of the Black hand, Velimir Vemić, Čedomir A. Popović, Vladimir Tucović, and Božin Simić in November 1937 about the events that took place in the first decades of the 20th century.
[8] The diary of Velimir Vemić is one of the few primary sources of events that took place during the May Coup in 1903 until the assassination of Archduke Franz Ferdinand in Sarajevo in 1914.