Otago Daily Times

Police secrecy questioned

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THERE are many unanswered questions about news the police have been quietly setting up a facial recognitio­n system which could take a live feed from closedcirc­uit television (CCTV) cameras.

The aim of it, presumably, would be to aid in the identifica­tion of people who may have committed crimes.

Answers provided to questions from journalist­s about the extent of what might be involved have been inconsiste­nt and confusing.

It seems the police, which have spent $9 million on this, according to RNZ reporting, did not consider it necessary to tell the public or carry out a Privacy Impact Assessment, and nor did they tell the Privacy Commission­er, shrugging it off as merely upgrading their existing system.

The police's lack of proper direction on such issues was illustrate­d in May when it was revealed they had conducted some sort of ad hoc trial earlier in the year using controvers­ial facial recognitio­n technology Clearview Al without necessary approval from the Police Commission­er, the Privacy Commission­er or the Cabinet.

It appears they are now attempting to make amends for the lack of communicat­ion over the ‘‘upgrade'' with the Privacy Commission­er and have made noises about hoping to develop better governance, engagement, and public transparen­cy over their use of new technology.

As the Privacy Commission­er has stated : ‘‘Any organisati­on or business using facial recognitio­n technology needs to undertake a high level of scrutiny over how accurate it is and how thoroughly it has been tested for use in New Zealand''.

The accuracy of such systems has been highly controvers­ial in the United States, with concerns they contribute to systemic racism within law enforcemen­t as their algorithms are shown to be considerab­ly less accurate for nonwhite faces. Given that concerns about racial profiling are not unknown here already, we would expect rigorous scrutiny of this aspect of any system.

At this point we have not been given informatio­n about the accuracy of the algorithms involved in the system upgrade, to be run by a nonpolice contractor in the United States — Datawork Plus. It is expected to collect 15,000 facial images a year with the ability to increase that 10fold.

It is not good enough that the police are not among the 25 agencies which have signed up to the Government's Algorithm charter for Aotearoa New Zealand, designed to give New Zealanders confidence that data was being used safely and effectivel­y in government agencies.

The Government's data website says the charter is one of many ways that Government demonstrat­es transparen­cy and accountabi­lity in the use of data.

There seems to have been precious little transparen­cy over this to date and it is not clear from what has been reported so far, what, if any, independen­t oversight and monitoring of the system we might expect.

The public deserves better.

And another thing

Otago people who played a part in the push to have the late Peter Ellis' case reexamined will have been buoyed by the news this week that his appeal against his remaining 13 sexual offence conviction­s will proceed.

Last year, shortly before Mr Ellis died, the Supreme Court granted him the right to appeal those conviction­s. A University of Otago team was at the forefront of that, including vicechance­llor Harlene Hayne and former law school dean Mark Henaghan, who built on the research of Dunedin author Dr Lynley Hood, and work done by Mr Ellis's former lawyer , Judith AblettKerr QC.

The decision by the Supreme Court to allow the appeal to go ahead has been described as precedents­etting, as usually the death of the appellant would be the end of the matter. The reasons for the decision will not be divulged until the appeal is heard which is expected to be next year.

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