The State Security Directorate (Serbian: Ресор државне безбедности, romanized: Resor državne bezbednosti; abbr.

РДБ / RDB), or simply State Security (Serbian: Државна безбедност, romanized: Državna bezbednost; abbr.

[1] Among those were Serb Volunteer Guard (Arkan's Tigers), Special Operations Unit (Red Berets) and Scorpions.

On 3 October 1999, a vehicle column of Serbian Renewal Movement, one of largest opposition parties at the time, was attacked while moving down Ibar Highway.

[4] After a yearlong trial in special court in Belgrade, a judge found Radomir Marković and Milorad Ulemek, guilty of planning and carrying out the assassination of Ivan Stambolić.