NEW : Joran van der Linden says his constitutional rights were violated . NO : He says the translator ` ` ' '' on him has confused him . Evidence of van der Sloot 's incarceration to be questioned . He also seeks to have his sentence struck down .
NEW : Joran van der Sloot says his constitutional rights were violated . NEW : He says the translator `` imposed '' on him has confused him . Legality of van der Sloot 's incarceration to be decided . He also seeks to have his confession struck down .