New Zealand's lockdown protocol includes a system to allow the police to monitor the whereabouts of travellers returning home. On arrival at the border, incoming travellers are asked for a contact mobile number. Once Welfare has ensured they have suitable accommodation, they receive a text from NZ Police asking them to consent to tracking; if they do, they are required to turn on location services to allow police to monitor their compliance with quarantine. Consent is required under the terms…