EU data watchdog orders Europol to delete a vast trove of personal data it obtained unlawfully; internal documents show Europol has around 4PB of data (The Guardian)

The Guardian:
EU data watchdog orders Europol to delete a vast trove of personal data it obtained unlawfully; internal documents show Europol has around 4PB of data  —  EU police body accused of unlawfully holding information and aspiring to become an NSA-style mass surveillance agency