Fraud by phone

Available for over a year

The extraordinary recording of a crook caught on tape by the man he was trying to fleece. Is it ever ok to use electronic collars on dogs that deliver mild electric shocks to teach them to behave? The devices are banned in Wales but can be used in other parts of the UK. Now MPs in Westminster are debating whether that should change. We look at the phone apps that let you order and pay for your meal without the bother of speaking to a waiter and visit the entrepreneurs growing vegetables in tunnels beneath the streets of London. Presenter: Peter White Producer: Jon Douglas.