During 2002, Mr Herman Van Rooyen and Mr Jan Rudolph Gouws were arrested on charges including terrorism, murder and sabotage, and were tried in the "Boeremag trial". On 3 May 2006, they escaped while attending court proceedings. On 13 January 2007, police searched the applicant's farm and found evidence that the escapees had been on the property, including Van Rooyen's motorbike and a tent with belongings. The applicant and his wife were arrested. They were charged with contravening sections 11 and 12(1)(b) of the Protection of Constitutional Democracy Against Terrorist and Related Activities Act (Terrorism Act), and alternatively with contravening section 115(e) of the Correctional Services Act (CSA) by harbouring escaped prisoners. The Regional Magistrates' Court convicted them on counts 1 and 2 under the Terrorism Act, sentencing the applicant to an effective 3 years' imprisonment. The High Court dismissed the applicant's appeal but set aside his wife's conviction. The Supreme Court of Appeal set aside the convictions under the Terrorism Act (which could not operate retrospectively) and instead convicted the applicant on the alternative charge under the CSA, imposing a heavier sentence of 5 years' imprisonment without giving prior notice that it was considering increasing the sentence.