X1 apparently witnessed Carine "Clo" Dellaert's murder, at which she saw similar people involved in murders of other girls. The life of Carine is briefly examined and X1's testimony is determined to have been credible.
"No one will believe you Regina [Louf/X1]. And those who do will be destroyed. I am protected by powerful people. (Antoine “Tony” Van Den Bogaert, as quoted in Regina Louf’s autobiography)
All roads in the Dutroux affair, lead to Jean-Michel Nihoul.