Ratko Mladić is a former Bosnian Serb military leader known for his role during the Bosnian War from 1992 to 1995. He commanded the Army of Republika Srpska and was involved in significant military operations, including the siege of Sarajevo and the massacre at Srebrenica, which are considered war crimes. In 2017, Mladić was convicted by the International Criminal Tribunal for the former Yugoslavia for genocide, war crimes, and crimes against humanity. He was sentenced to life in prison, marking a significant moment in the pursuit of justice for the atrocities committed during the conflict.