Rip Off Britain is back with a new series on BBC1 this week.

In one of this season’s films, I talk about how internet-connected doorbells are now being used help to catch crooks.

Filming in Manchester for series 10 of BBC Rip Off Britain Think of a connected doorbell as a video intercom – similar to those already popular in flats and offices – that connects your front door to your phone. Not only do they provide peace of mind when your doorbell – or perhaps that of an elderly relative – rings, these smart devices can also record video of who is at the door. Needless to say, they have already been used to help identify criminals.

In another item for the show this series, I take Julia Somerville to a Bitcoin cashpoint to explain what cryptocurrency is and how it works – and how some viewers may have lost substantial sums of more traditional cash to so-called Bitcoin scammers.

This year for the show we’ve also been making some quick advice films for Facebook – here’s me talking about why some viewers’ second-hand smartphone have suddenly stopped working days or weeks after they’ve bought them:

Rip Off Britain airs on BBC1 at 9.15am from Monday 13th June 2018, available on catch-up on BBC iPlayer.