The Dutchman has been questioned twice in the death of the gorgeous high school student who was celebrating her graduation with a holiday on Aruba in 2005. But each time he was released.
Then, four years later the body of 21-year-old Stephany Flores was found in a hotel room registered to Van der Sloot in Lima, Peru. Cops say Van der Sloot admitted he attacked Flores after
she read an e-mail on his computer connecting him to the case of Holloway.
He took money and bank cards from her wallet and fled to Chile, where he was arrested a short time later.
If convicted he could return home to serve his sentence thanks to an extradition treaty signed this week between the Netherlands and Peru.
His lawyer Maximo Altez said: "Joran knows about the treaty. Whether he requests an extradition will depend on his sentence."
The treaty allows Dutch residents people who have been sentenced to prison by final and unappealable judgment in Peru to serve their sentence in the Netherlands, Holland's foreign ministry explained on its website.
Van der Sloot's trial date will likely be in the next few months, according to Altez.