Mural dedicated to notorious Chetnik Duke who terrorised Sarajevo residents during the Bosnian war

The Court of Bosnia and Herzegovina previously sentenced Aleksic and two other members of the Ravna Gora Movement, Dusan Sladojevic and Risto Lecic, to five months in prison each for inciting national, racial, and religious hatred, discord, and intolerance in Vicegrad in March 2019, sentences that were later commuted to fines. The verdict detailed that during a March 10, 2019 gathering, Sladojevic addressed attendees and handed over a report to Aleksic following a lineup while threatening lyrics played, and Lecic sang a song with a gusle glorifying the Chetnik movement and expressing threats and violence.

Aleksic remains one of the most controversial and notorious figures associated with the war and the multi-year siege of Sarajevo, remaining permanently linked in the public consciousness to the sniper and military terror inflicted upon the civilian population. Born in Bogdasici in 1956, he lived and studied law in Sarajevo, joining nationalist structures in the late 1980s and participating in the restoration of the Chetnik movement in Sarajevo in 1990 before becoming a member of the Serbian Radical Party. Following the murder of an old wedding guest outside the Old Orthodox Church on Bascaršija on March 1, 1992, Aleksic assumed command of the Novo Sarajevo Chetnik Detachment headquartered on Grbavica.

Operating along demarcation lines at Grbavica and the Jewish Cemetery, one of the bloodiest points of conflict, formations under his command were present at positions subjecting the city to constant fire. Numerous civilian testimonies and reports linked his units to attacks on the civilian population and the spreading of fear during the siege, alongside involvement in severe violations of the laws of war, though Aleksic was never conclusively prosecuted for war crimes before domestic or international courts. Wounded multiple times during the conflict, he also commanded a detachment of Russian volunteers in "Srpska Sarajevo" and was proclaimed a Chetnik duke by war criminal Vojislav Secelj in 1993 and later by Chetnik duke and Orthodox priest Momcilo Djujic.

Following the NATO bombing and the Dayton Peace Agreement, Aleksic led the withdrawal of Serb forces and part of the population from Grbavica in March 1996. He later retreated to eastern Herzegovina around Bileca, continuing his ideological activities through Chetnik and Ravna Gora organizations by attending radical revanchist gatherings. In recent years, his name resurfaced in connection with the "Sarajevo Safari" investigation led by judicial institutions in Milan regarding organized sniper activity directed against civilians in besieged Sarajevo.