Thieves are using mobile phones to detect laptop computers and other equipment hidden in cars, police in the UK Midlands have warned. Police believe thieves are using Bluetooth-equipped mobile phones to detect hidden electrical equipment.Laptops and satellite navigation systems, hidden under car seats or in boots, have been stolen during a spate of car crime in central England. A police spokesman warned: "What is most likely is that if somebody leaves a laptop in their vehicle, even if it's hidden away, if it's on stand-by somebody with Bluetooth on, a mobile phone is able to detect the presence of that laptop."
