All four defendants have pleaded not guilty. Alleged sect leader Kaixiao Liu (from left), his wife, Lanyue Xiao, his father, Jingui Liu, and his mother, Xiuyun Li, are all on trial in the High Court at Auckland accused of participating in the homicide of 70-year-old Shulai Wang. Photos / Jason Dorday Although many of the notebooks were unsigned, the one referring to putting Wang in a suitcase was found to have Xiao’s fingerprints on it.