Early Only days after the
1990 Croatian multi-party election, , who was the leader of the '''' (
hooligan supporters of the football club
Red Star Belgrade), was present at the
away game against Croatian side
Dinamo Zagreb at
Stadion Maksimir on 13 May, a match that ended in the infamous
Dinamo–Red Star riot. and the , consisting of 1,500 people, were involved in a massive fight with the home team's football hooligans, the
Bad Blue Boys. On 11 October 1990, as the political situation in Yugoslavia
became tense, created a
paramilitary group named the
Serb Volunteer Guard. was the supreme commander of the unit, which was primarily made up of members of the '''' and his personal friends. In late October 1990, traveled to
Knin to meet representatives of the
SAO Krajina, a Serb break-away region that sought to remain in FR Yugoslavia, as opposed to the Croatian government that seceded. On 29 November, Croatian police arrested him at the Croatian-Bosnian border crossing
Dvor na Uni along with local and Belgraders and . 's entourage was sent to
Sisak and was charged with conspiracy to overthrow the newly formed Croatian state. was sentenced to twenty months in jail. He was released from Zagreb's
Remetinec prison on 14 June 1991. It has been claimed that the Croatian and Serbian governments agreed on a
DM1 million settlement for his release. In July 1991, stayed for some time at the
Cetinje Monastery, with
Metropolitan of Montenegro . His group of men, fully armed, were allowed to enter the monastery, where they served as security. 's group traveled from to the
Siege of Dubrovnik. On his return from , he was again a guest at . consisted of a core of 600 men and perhaps totaled more than 5,000 soldiers, and it was much feared by the public. Under 's command the SDG massacred hundreds of people in eastern Croatia and Bosnia and Herzegovina. It saw action from mid-1991 until late 1995, and was supplied and equipped privately, by the reserves of the Serbian police force or through capturing enemy arms. When the
Croatian War of Independence broke out in 1991, the SDG was active in the
Vukovar region, committing crimes against Croat and Hungarian civilians in
Dalj,
Erdut,
Tenja and other areas. After the
Bosnian War broke out in April 1992, the unit moved between the Croatian and Bosnian fronts, engaging in multiple instances of
ethnic cleansing by killing and forcefully deporting mostly
Bosniak civilians. In Croatia, it fought in various areas in
SAO Eastern Slavonia, Baranja and Western Syrmia. , reportedly, had a dispute over military operations with leader . In Bosnia, the SDG notably fought in battles in and around
Zvornik,
Bijeljina and
Brčko, mostly against Bosniak and Bosnian Croat paramilitary groups, including killings of civilians. was favored by the Serbian authorities because as a gangster and a football hooligan he seemed to have no political ambitions and hence posed no threat to the regime of . However, he started to show signs of wanting to move beyond organised crime, founding his own political party, the Party for Serbian Unity, in 1992. He also became the owner of the casino in the
Hotel Jugoslavija along with a radio station, a shipping company and a brand of wine named Erdut after the base of the Tiger militia. The SDG served as much of a criminal organisation as a para-military group, and was involved in smuggling petrol into Serbia from Romania and Bulgaria in defiance of the United Nations sanctions imposed on Serbia in May 1992. 's petrol smuggling brought him into conflict with , the son of Slobodan, who from 1994 onwards was said to be trying to monopolise the petrol smuggling. In the summer of 1995, the Serbian state curtailed the supply of arms to the SDG, which was said to have been a punishment for competing with . In late 1995, 's troops fought in the area of , and . In October 1995, he left as the
Army of the Republic of Bosnia and Herzegovina reclaimed the city. personally led most of the operations, and rewarded his most efficient officers and soldiers with ranks, medals and eventually looted goods. Several younger soldiers were rewarded for their actions in and around and . reportedly sent one of his most trusted men, , to Italy to start a relationship with boss . According to , eased
arms smuggling to Serbia by stopping the
Albanian mobsters' blocking of weapons routes, and helped money transfer into Serbia in the form of humanitarian aid
amid the international sanctions. In exchange, the acquired companies, enterprises, shops and farms in Serbia at optimal prices. has been accused of kidnapping Serb refugees who had fled to Serbia from Croatia and Bosnia and Herzegovina and forcing them into conscription. After
Operation Storm in Croatia resulted in the collapse of the Republic of Serbian and exodus of Serb refugees fleeing to Serbia, the
Serbian Interior Ministry rounded up over 5,000 refugees to conscript into the SDG. Military-aged men were forcibly rounded up after arriving in Serbia by local police and then sent to detention camp in Erdut against their will and without informing their families. Once in Erdut, the refugees' heads were shaved and all valuables were confiscated. The men were then subjected to days of physical and psychological torture from the SDG guards, which included extreme physical exercises, routine beatings, and often being subjected to humiliating acts. had been giving speeches accusing the refugees of being cowards and traitors, blaming them for the loss of RSK. ==Post-war fame==