Willem van der Sloot plans to marry in Peruvian prison . He is serving time in the death of woman at Lima hotel . Holloway was last seen in the early hours of May 30 , 2005 , leaving an Oranjestad , Aruba , nightclub with van der Sloot and two other men , brothers Deepak and Satish Kalpoe . Van der Sloot is prime suspect in murder of American William Smith .
Willem van der Sloot plans to marry in Peruvian prison . He is serving time in the death of woman at Lima hotel . Van der Sloot is prime suspect in murder of American William Smith .