Covid 19 coronavirus: A system that can be hacked by lying is not a good system 15 Apr, 2021 12:29 AM 6 minutes to read PM Jacinda Ardern says the security guard who tested positive to Covid-19 lied about being tested. Video / Mark Mitchell PM Jacinda Ardern says the security guard who tested positive to Covid-19 lied about being tested. Video / Mark Mitchell Other OPINION: Yesterday Jacinda Ardern angrily declared that an MIQ worker had lied. That should not be a sufficiently sophisticated technique to get around our border defences, argues Duncan Greive. It emerged yesterday that "case B" in the small yet still concerning cluster of Covid-19 cases related to the Grand Millennium Hotel in Auckland had not been previously been tested since November. This came as something of a surprise, as Covid-19 Response Minister Chris Hipkins had announced that such tests would be mandatory in September of last year.