Privacy activists are unimpressed with London's Metropolitan Police and its use of live facial recognition (LFR) to catch criminals, saying it is not effective use of taxpayer money and an overreach by government. The Met released data on Friday that it hoped would imbue a sense of confidence in the controversial privacy busting technology, with the force's LFR chief saying it improves efficiency. Never ones to pass up an opportunity to bash LFR, campaign group Big Brother Watch (BBW) argued the...