National and Act have agreed to pass a three-strikes law under which some killers will be locked away in prison without any chance of release.
Once an offender is convicted of a third serious offence, the judge will have to impose the maximum sentence for the crime.
Labour says the move is a gimmick that falls well short of what National was promising before the last election.
The Maori Party says it is populist and that "judicial discretion is overruled by political dogma".
Is the proposed 'three strikes' law too harsh? Here is the latest selection of Your Views: