In 2006, Križnar entered the Darfur region with the help of Darfur rebels during the War in Darfur. He entered without a valid visa via the neighbouring Chad. On 20 July 2006, he was arrested. On 14 August 2006, he was convicted of "publishing false news, espionage and entering Sudan without an entry visa" and the criminal court of Al-Fashir in Northern Darfur sentenced him for two years imprisonment and a fine of 500,000 dinars (2,400 USD). His photography equipment and films were confiscated.