Halden prison smells of freshly brewed coffee. It hits you in the workshop areas, lingers in the games rooms and in the communal apartment-style areas where prisoners live together in groups of eight. Halden is one of Norway's highest-security jails, holding rapists, murderers and paedophiles. Since it opened two years ago, it has acquired a reputation as the world's most humane prison. It is the flagship of the Norwegian justice system, where the focus is on rehabilitation rather than punishment. More..