In December 2020, Inzko, with the help of Sonja Karadžić-Jovičević, succeed in having a plaque honoring convicted war criminal and Srebrenica genocide perpetrator Radovan Karadžić, Sonja's father, removed after threatening Bosnian Serb leader and Presidency member Milorad Dodik with European Union sanctions if the plaque were not removed within six months.