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Photo of a GPS ankle tag on someone's leg
Content Type: Long Read

Life under 24/7 GPS surveillance - A GPS ankle tag experiment

Image of smart phone with smokescreen and fingerprint icon lit up in blue.
Content Type: Long Read

Non-fitted devices in the Home Office’s surveillance arsenal: Investigating the technology behind GPS fingerprint scanners

A satellite hovering a coastline
Content Type: Explainer

Satellite and aerial surveillance for migration: a tech primer