Reviewing the use of formal police warnings, may be just one small piece in a very large puzzle of justice reform.

New Zealand Police will review its Formal Warning policy after the High Court found the warnings have no basis in law and are a breach of the Bill of Rights.

Warnings can affect a person's employment prospects, without them actually being found guilty of a crime.

But victims' advocate Ruth Money told Kate Hawkesby  the alternative, going through the court process, can also be hugely disruptive.

“I’ve got so many offenders waiting for files from Police… so that the process can move along.”

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