Authorities appear to have hit a brick wall, with the uncooperative women at the centre of Northland's Covid lockdown.
The Covid-positive pair have refused to reveal locations of interest they visited around the region
Officials believe they have all the information they're going to get out of them.
Former crisis negotiator Lance Burdett told Kate Hawkesby there's only so many times you can ask the same people the same questions.
"You get one shot at it, and it's one chance only, because once you've asked her several questions, the next time you go back, they're already ready for those questions and more."