During the Kosovo War ( 1998 – 1999 ) , he led a cluster of counter-terrorism teams that were known as the Operational Group ( OPG ) . They were established to counter Kosovo Liberation Army which sought to separate Kosovo from Serbia . The OPG were later suspected of killing 41 ethnic-Albanian civilians in the Ćuška massacre in western Kosovo in May 1999
Ćuška massacre
Ćuška massacre
Goran Radosavljević