<sod >Â  Describing the killer as Norway's most expensive prisoner, MrÂ Sejersted said that "in many ways they are better than< eod>< sod > Â  Describing the killer as Norwayâs most expensive prisoner, Mr Sejersted said that âin many ways they are better than [those] of other prisoners to compensate for the fact that he cannot make contact with other inmates.< eod>