Watch the Full Length nowIMSI catchers are portable surveillance tools used for spying on thousands of phones in a targeted area, tracking their location and even intercepting calls, messages, and data. They are supposed to help identify serious criminals, but cannot operate without monitoring innocent people too.UK police have IMSI catchers, but they refuse to tell the public how and when they are used. This has privacy campaigners worried. And, even if the state is using them sparingly, what if criminals also have access to the technology?In this extra scene from 'Britain's Secret Surveillance,' VICE News visits Milipol, a homeland security fair in Paris, to reveal the latest hacking tools and state surveillance tech — and gets knifed in a stab vest.Read "VICE News Investigation Finds Signs of Secret Phone Surveillance Across London"
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Inside a Spy Tech Expo (Extra Scene From 'Britain's Secret Surveillance')
In this extra scene from 'Britain's Secret Surveillance,' VICE News visits Milipol, a homeland security fair in Paris, to reveal the latest hacking tools and state surveillance tech — and gets knifed in a stab vest.