Former defence chief General Sir Richard Barrons says the rise of military ‘killer robots’ is almost inevitable. He stated, ‘The advantages of artificially intelligent war machines that can make decisions, learn and open fire without human control will see countries face growing pressure to adopt the technology, despite ethical misgivings.’ In his opinion a proactive international ban, such as the one called for by technology experts recently, is likely to be flouted by unscrupulous countries. He spoke after over a hundred technology leaders wrote an open letter calling the UN to outlaw ‘lethal autonomous weapons’, the use of which will lead to more civilian casualties and abuses. On 27 August the Bishop of Oxford discussed the ethical implications of Artificial Intelligence on Radio 4. To listen, go to