With Aruban investigators citing what was described as newly discovered evidence , Joran van der Sloot and Satish and Deepak Kalpoe were rearrested November 21 , 2007 , on suspicion of involvement in `` manslaughter and causing serious bodily harm that resulted in the death of Holloway '' . Van der Sloot was detained by Dutch authorities in the Netherlands , while the Kalpoe brothers were both detained in Aruba . On Monday , July 4 , following hearings before a judge , Deepak and Satish Kalpoe were released , but Joran van der Sloot was detained for an additional sixty days .