It's been so long since I read any of that -- I believe that lots of it was contingent upon an alleged half-brother of Joran's being implicated in Natalee's disappearance, his name was Lorenzo and I think he was a Drug King or something 'gangsta-like.'
Van der Sloot manhunt widens, Argentina and Columbia join Interpol, Chile and Peru
Joran van der Sloot (PICTURES): Five Things You Need To Know
http://www.cbsnews.com/8301-504083_162-20006685-504083.html
“…The cousin of the young woman found dead in a bloody Peru hotel room rented by the one-time suspect in the disappearance of Natalee Holloway said today he had spoken with his cousin about Joran van der Sloot about a month ago."She had seen a special about the crime that he committed...And she was shocked by it," Rafael Vertiz said of his slain cousin, 21-year-old Stephany Tatiana Flores Ramirez, on NBC's "Today" show this morning…” http://www.aolnews.com/crime/article/joran-van-der-sloot-is-to-blame-cousin-of-peru-victim-says/19501701
This would mean she knew his name and what he looked like. If so then... ???