Justice for thousands of 501 deportees lies with the outcome of an appeal by the Crown to overturn a High Court decision made this week.
A former drug dealer has successfully argued that his human rights were breached with probation-like conditions after his re-entry to New Zealand.
Advocates say it's a precedent-setting ruling, which opens the floodgates for others to seek the same outcome - but those gates might not open if the Crown is successful in it's appeal.
Australian-based human rights lawyer and professor Patrick Keyzer spoke to Charlotte Cook from Sydney.