Sex slave? FGS!
JVDS lied from the get go. He knows what happened. Poor Natalee is just an expendable American tourist girl in the eyes of the elder VDS and his son. Certainly not worth ruining his son's great future.
I am only quoting others, the notion is preposterous. Some of the people who are so conversant on this topic discussed it at length. Every time I have tried to inject a little sanity into the discussion, I am ganged up on by the rest. Go figure.