Joran van der Sloot's mother revealed a disturbing detail about her killer son in a resurfaced interview, Wonderwall.com can report. In a Dutch interview from June 2010 obtained by ABC News, Anita van der Sloot said her son - who in 2023 confessed to killing 18-year-old Natalee Holloway in 2005 - used to sneak out of their Aruba home at night. Anita said that while she always noticed when Joran left, she had no idea he was going to casinos.