A convicted killer is back behind bars after failing a drugs test.
Life parolee Melissa Anne Wepa spent 15 years behind bars after killing a friend who dobbed her in to police.
The 44-year-old stabbed Porirua woman Caroline Gardiner 50 times before dumping her body down a bank.
In 2005, she escaped from prison with another inmate when they used a dummy in their cell beds to fool guards.
Wepa - who has a distinctive lizard tattoo on her face - escaped again while serving a three-month corrective training term at Arohata in the early 90s but was caught nearby.