In this episode, we see the devastating consequences of a lorry driver taking his eyes off the road to scroll through his mobile phone. His vehicle ploughs into a line of queuing traffic, killing four people. The incident is captured on his dashcam.This programme, narrated by Rav Wilding, looks at how cameras fitted with artificial intelligence software are being used to detect when a driver is using their mobile phone. These cameras are being trialled on UK roads and the hope is that they will help change driver behaviour and ultimately prevent more lives being lost.In this episode, we also see how dedicated police teams equipped with night-vision kits are taking on criminals who prey on isolated rural communities.