Louise Minchin, Gloria Hunniford and Julia Somerville uncover the shocking story of the readily available gadget that can hack your wifi and renders many doorbell video cameras useless as security devices. The gadget is being sold through leading online retailers. We ask why it is on sale and reveal how to protect yourself. Plus the catalogue firm that signed up an unsuspecting 97-year-old for subscriptions costing hundreds of pounds, which she says she knew nothing about. And the nasties that could be lurking in your salad.