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.
Jacques Dubrulle
Tony Van Den Bogaert: The pimp
"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)