Following the confirmation of the indictment against the five accused, Isni Kilaj, along with Bashkim Smakaj and Fadil Fazliu, was arrested by the SPO on 5 December and then transferred to the Detention Facilities of the Kosovo Specialist Chambers (KSC) in The Hague on 6 December 2024. Hashim Thaçi was served with an arrest warrant at the KSC Detention Facilities on 5 December, while Hajredin Kuçi was summoned to appear for an initial appearance. During their initial appearances on 8 December 2024, Thaçi and Smakaj did not enter pleas while Fazliu pleaded not guilty to all charges. The following day, 9 December, both Kuçi and Kilaj pleaded not guilty to all charges. After Thaçi and Smakaj opted not to enter their pleas during the hearing on 17 December 2024, the Pre-Trial Judge requested that they submit their pleas in writing by 7 January 2025. On 6 January 2025, Thaçi filed a notice declaring his plea of not guilty. Bashkim Smakaj's not guilty plea was submitted on 3 January and made public on 14 January 2025. On 11 November 2025, the Pre-Trial Judge notified the President that the case file would be ready for transmission to the Trial Panel on 12 November 2025. Following this notification, the KSC President assigned a Single Trial Judge to the case. On 12 November 2025, the Pre-Trial Judge transmitted the case file to the Single Trial Judge. The Trial Preparation Conferences took place on 28 November 2025 and the trial is scheduled to commence on 24 February 2026.