[2] In 2022, he was convicted of war crimes in Kosovo Special Court and eventually sentenced to a total of 15 years of imprisonment.

He completed studies in economics and following the end of the Kosovo War, he served as an adviser in the Kosovar Ministry of Defence.

In 2021, Mustafa was charged for war crimes for acts committed against Kosovo Albanian civilians detained in the detention compound in Zllash in April 1999.

[10] In December 2023, the "Court of appeals chamber" confirmed his convictions and reduced his sentence to 22 years of imprisonment.

[11] On September 10, 2024, the Appeals Panel in its new decision further reduced Mr. Mustafa's sentence to 15 years of imprisonment.