Le cas le plus connu qui me vient à l'esprit est celui de Karla Homolka, qui, même si elle ne devait pas purger toute sa peine, a demandé à ne pas bénéficier d'une libération conditionnelle.
The most highly reported case that comes to mind, although it wasn't requested for the full sentence, was Karla Homolka, where she suggested she didn't want to be eligible for release.