Disgraced former municipal police chief Heng Pov appeared at Phnom Penh Municipal Court on Thursday for questioning in connection with the 2004 slaying of Chea Vichea, the former head of the Free Trade Union of Workers of the Kingdom of Cambodia. Heng Pov’s lawyer, Kao Sopha, said Heng Pov had not been accused of involvement in the killing, but had instead been called as a witness. Heng Pov was arrested in 2006, and he has since been sentenced to more than 90 years in prison on charges including extortion, kidnapping and murder. Court officials could not be reached on Thursday. In a report released late last month, the International Labour Organisation renewed a call for the courts to resolve the Chea Vichea case.