 After Milošević lost the 2000 Yugoslav presidential election to challenger Vojislav Koštunica, Marković formally resigned his position on 25 January 2001.Marković was arrested by Yugoslav police in February 2001 and was charged with committing "the criminal act of abuse of official position" by organising the 1999 Ibar Highway assassination attempt of Vuk Drašković, which resulted in the deaths of four people.Marković was found guilty by the Belgrade District Court and on 18 July 2005 was sentenced to 15 years' imprisonment.