Britain's largest police force is using software that can map nearly every move suspects and their associates make in the digital world, prompting an outcry from civil liberties groups.
The Metropolitan police has bought Geotime, a security programme used by the US military, which shows an individual's movements and communications with other people on a three-dimensional graphic. It can be used to collate information gathered from social networking sites, satellite navigation equipment, mobile phones, financial transactions and IP network logs.
Police have confirmed its purchase and declined to rule out its use in investigating public order disturbances.
Campaigners and lawyers have expressed concern at how the software could be used to monitor innocent parties such as protesters in breach of data protection legislation...