Milan Gvero Milan Gvero Milan Gvero (Serbian Cyrillic: Милан Гверо) (4 December 1937 – 17 February 2013) was a retired Bosnian Serb Army (VRS/Army of Republika Srpska) general sentenced to five years in jail by the International Criminal Tribunal for the former Yugoslavia (ICTY) on charges of war crimes and crimes against humanity committed during the Bosnian War of 1992-95. In response to Radovan Karadžić's attempt to remove Ratko Mladić as commander of the Bosnian Serb military in early August 1995, General Gvero detained Karadžić for a day in the last week of August, and berated him for his hostility to Mladić
Army of the Republic of Bosnia and Herzegovina Beretke (Green Berets) and Crni Labudovi (Black Swans) units were also active. Other irregular groups included Bosnian mafia groups, as well as collections of police and former Yugoslav People's Army soldiers. The army was formed in poor circumstances, and suffered from a very limited supply of arms. Critical deficiencies included tanks and other heavy weaponry. The first commander of the army was Sefer Halilović. In 1992, the ARBiH was losing most of the battles and consequently 70% of Bosnia was under Yugoslav People's Army (JNA), later Bosnian Serb Army (VRS), control. Sarajevo was under siege. The ARBiH had defended Sarajevo